MegaMons

[Isa Simple]

Is this gimmick worth a swing?
Skull Bash Mega Kangaskhan + Power Herb.

 

[Halliday]

Well, that's a bump, lol. To answer your question maybe.

Also, since it's already bumped, how do people think the ORAS changes will affect the metagane?

 

[canno]

M-Beedrill can hold a boosting item and doesn't need Protect anymore, meaning it can run both Drill Run and Koff. Its STABs still aren't fantastic, but maybe it could work?

 

[FlameUser64]

M-Beedrill can hold a boosting item and doesn't need Protect anymore, meaning it can run both Drill Run and Koff. Its STABs still aren't fantastic, but maybe it could work?

Maybe a Choice Band might make up for its lack of good moves? (That said, Banded X-Scissor is the exact same power as a non-Banded Megahorn would be.)

 

[JustAMan]

Mega Mence could be a cool Rkiller with Scarf IMO
Beedrill should run LO, as its bulk sucks anyways.

 

[Kadabrium]

Well, that's a bump, lol. To answer your question maybe.

Also, since it's already bumped, how do people think the ORAS changes will affect the metagane?

#unbanprimalcaterpie

 

[xJownage]

Primal mons OP

mega salamence OP

megameta good

megadiancie OP

fuck everything else.

 

[yikes]

n-n-n-n-n-n-n-n-necrobump

In all seriousness, ORAS brought a TON of new threats. Let's take a look, shall we?

ORAS Megas

Mega Beedrill doesn't have to run Protect anymore, and its stats fit perfectly to a Banded or Scarfed set, although it does have to watch out for priority like M-Pinsir's Quick Attack.

Set

NOT THE BEES (Beedrill-Mega) @ Choice Band / Choice Scarf
Ability: Adaptability
EVs: 252 Atk / 4 SpD / 252 Spe
Jolly / Adamant Nature
- U-turn
- Poison Jab
- Knock Off
- Drill Run

Mega Pidgeot is underwhelming, as always. Not a good choice to use. Still, it can run Specs...

Set

Bird Jesus (Pidgeot-Mega) @ Choice Specs
Ability: No Guard
EVs: 4 Def / 252 SpA / 252 Spe
Timid Nature
- Hurricane
- Heat Wave
- Hidden Power [Ground]
- U-turn

Mega Slowbro is a great wall and a great Calm Mind abuser. Leftovers helps it a lot, although not as much as other Mega walls like Mega Aggron. It can also run a mean Trick Room set for all of those slow, bulky, powerful Megas out there.

Sets

Magic Conch-Mega (Slowbro-Mega) @ Leftovers
Ability: Shell Armor
EVs: 252 HP / 252 Def / 4 SpA
Bold Nature
- Calm Mind
- Slack Off
- Scald
- Psyshock

Aw shell no! (Slowbro-Mega) @ Leftovers
Ability: Shell Armor
EVs: 252 HP / 252 SpA / 4 SpD
Quiet Nature
IVs: 0 Spe
- Trick Room
- Scald
- Psyshock
- Fire Blast / Ice Beam

Steelix really appreciates the Leftovers recovery, although it's still outclassed by Mega Aggron in defensive roles. That's why I think a Banded Sand Force abuse set would work the best.

Set

Fuckin' Magnets (Steelix-Mega) @ Choice Band
Ability: Sand Force
EVs: 248 HP / 252 Atk / 8 SpD
Adamant Nature
- Heavy Slam
- Earthquake
- Stone Edge
- Iron Head / Fire Fang / filler

Mega Sceptile could utilize a Specs or a Life Orb, and it would enjoy the sun set by Mega Charizard Y and normal Groudon. (Solar Beam spam, anyone?)

Set

Christmas Tree-Mega (Sceptile-Mega) @ Choice Specs
Ability: Lightning Rod
EVs: 252 SpA / 4 SpD / 252 Spe
Timid / Hasty Nature
- Leaf Storm / Solar Beam
- Dragon Pulse
- Focus Blast
- Hidden Power [Fire] / Earthquake

Mega Swampert really likes normal Kyogre's rain, and could utilize it with a Life Orb or Choice Band. Hell, it could even run an offensive Bulk Up set!

Sets

ANCHOR ARMS (Swampert-Mega) @ Life Orb
Ability: Swift Swim
EVs: 252 Atk / 4 SpD / 252 Spe
Adamant Nature
- Waterfall
- Earthquake
- Ice Punch
- Rain Dance / Bulk Up

Wimp --> Jerk (Swampert-Mega) @ Choice Band
Ability: Swift Swim
EVs: 252 Atk / 4 SpD / 252 Spe
Adamant Nature
- Waterfall
- Earthquake
- Ice Punch
- Low Kick / Stone Edge / Superpower

Mega Sableye with Leftovers. What a terrifying notion! It's probably not as good with Xerneas and M-Mawile everywhere, but who knows? It has a terrific defensive typing (aside from that Fairy weakness), so it could see use.

Set

Rupee-Mega (Sableye-Mega) @ Leftovers
Ability: Magic Bounce
EVs: 252 HP / 252 Def / 4 SpA
Bold Nature
- Calm Mind
- Recover
- Will-O-Wisp / Substitute / Dazzling Gleam
- Dark Pulse / Shadow Ball

Mega Sharpedo is... eh. I'm not going to go over a set because the only good use of M-Sharpedo is to utilize the pre-Mega Ability. It can't do that when it starts as a Mega.
Mega Camerupt is a terrific Sun Room sweeper. Set the Sun with Groudon, set the Room with (insert slow Uber here), and then wreck face.

Set

Hump Day-Mega (Camerupt-Mega) @ Life Orb
Ability: Sheer Force
EVs: 252 Atk / 252 SpA / 4 SpD
Quiet Nature
IVs: 0 Spe
- Fire Blast
- Earth Power
- Rock Slide
- Earthquake

Mega Altaria may have a unique typing and a unique niche of being a physical Fairy, but Mega Mawile takes that second niche already. Mega Altaria is best off being a wall in this meta, as the Mega Charizards are everywhere.

Set

SO FLUFFY (Altaria-Mega) @ Leftovers
Ability: Pixilate
EVs: 252 HP / 252 Def / 4 SpD
Bold / Impish Nature
- Roost
- Heal Bell
- Hyper Voice / Return / Body Slam
- Roar / Fire Blast / Earthquake

Mega Glalie may not be the most notable mega, but it does have one niche: CHOICE BANDED REFRIGERATE EXPLOSION. It can also be an effective Spikes lead/nuke.

Sets

Crimson Chin (Glalie-Mega) @ Choice Band
Ability: Refrigerate
Happiness: 0
EVs: 252 Atk / 4 SpD / 252 Spe
Jolly Nature
- Explosion
- Frustration / Double-Edge
- Earthquake
- Ice Shard / Facade

Ice Ice Baby (Glalie-Mega) @ Focus Sash
Ability: Refrigerate
EVs: 252 Atk / 4 SpD / 252 Spe
Jolly Nature
- Spikes
- Explosion
- Earthquake
- Ice Shard / Return / Double-Edge

Megamence... Oh, Megamence. There's so much it can run effectively!

Sets

Unit One (Salamence-Mega) @ Choice Scarf / Choice Band
Ability: Aerilate
Happiness: 0
EVs: 252 Atk / 4 SpA / 252 Spe
Naive / Naughty Nature
- Frustration / Double-Edge / Thrash
- Earthquake
- Fire Blast
- Facade

Unit Two (Salamence-Mega) @ Life Orb
Ability: Aerilate
EVs: 252 Atk / 4 SpA / 252 Spe
Naughty Nature
- Dragon Dance
- Return / Double-Edge / Thrash
- Earthquake
- Fire Blast

Unit Three (Salamence-Mega) @ Life Orb
Ability: Aerilate
EVs: 252 SpA / 4 SpD / 252 Spe
Timid Nature
- Draco Meteor
- Hyper Voice
- Fire Blast
- Roost

Unit Four (Salamence-Mega) @ Leftovers
Ability: Aerilate
EVs: 252 Atk / 4 SpD / 252 Spe
Adamant Nature
- Substitute
- Dragon Dance
- Roost
- Return / Body Slam

Unit Five (Salamence-Mega) @ Leftovers
Ability: Aerilate
EVs: 252 HP / 252 Def / 4 SpD
Impish / Bold Nature
- Wish
- Protect
- Return / Body Slam / Hyper Voice
- Roar

Mega Metagross has three sets that it can run well: Choiced (usually Scarf), LO Agility, and AV.

Sets

Intel Inside (Metagross-Mega) @ Choice Scarf
Ability: Tough Claws
EVs: 252 Atk / 4 SpA / 252 Spe
Naive Nature
- Meteor Mash
- Earthquake
- Zen Headbutt
- Grass Knot

REBOOTING... (Metagross-Mega) @ Life Orb
Ability: Tough Claws
EVs: 252 Atk / 4 SpD / 252 Spe
Adamant Nature
- Agility
- Meteor Mash
- Earthquake
- Zen Headbutt

Quad Core Processor (Metagross-Mega) @ Assault Vest
Ability: Tough Claws
EVs: 84 HP / 252 Atk / 172 SpD
Brave Nature
- Meteor Mash
- Earthquake
- Zen Headbutt
- Grass Knot

The Mega Latis are just straight upgrades, so there's not much to say about them.
Mega Lopunny could run Band or Fake Out+LO, although its stats are somewhat underwhelming.

Sets

Playboy (Lopunny-Mega) @ Choice Band
Ability: Scrappy
EVs: 252 Atk / 4 SpD / 252 Spe
Jolly Nature
- Return
- High Jump Kick
- Switcheroo
- Ice Punch / Baton Pass / Filler

Playgirl (Lopunny-Mega) @ Life Orb
Ability: Scrappy
EVs: 252 Atk / 4 SpD / 252 Spe
Jolly Nature
- Return
- High Jump Kick
- Fake Out
- Ice Punch / Baton Pass / Filler

LO SD Mega Gallade, though its Ability isn't much, possesses CRAZY power, enough to OHKO Skarmory after a boost! M-Gallade can also run a mean Assault Vest set.

Set

D-D-D-D-D-D-DUEL (Gallade-Mega) @ Life Orb
Ability: Inner Focus
EVs: 252 Atk / 4 SpD / 252 Spe
Jolly Nature
- Swords Dance
- Close Combat
- Knock Off
- Zen Headbutt

YU-GI-OH (Gallade-Mega) (M) @ Assault Vest
Ability: Inner Focus
EVs: 124 HP / 252 Atk / 132 SpD
Adamant Nature
- Drain Punch
- Zen Headbutt
- Knock Off
- Ice Punch

Mega Audino's standard set doesn't change much, although its already meh stats get even more meh. In fact, the only real reason to run this is for its typing, and if you're doing that, why not just run defensive Xerneas? That Ghost immunity isn't doing you any good if the most popular Ghost in the tier is also part Poison. In fact, the only thing M-Audino can really hard counter is Mega Banette, and even then, it has to watch out for TrickBand!

I kinda digress, but here's my favorite Mega Banette set:

Set

HEEEEEERE'S CHUCKY (Banette-Mega) @ Choice Band
Ability: Prankster
EVs: 248 HP / 252 Atk / 8 SpD
Adamant Nature
- Trick
- Shadow Claw
- Knock Off
- Destiny Bond / Return / Shadow Sneak / Filler

Mega Diancie has a lot of power... but it has to go mixed or run a 60 BP STAB. Whatever. It's still good.

Set

Diamonds in the Sky (Diancie-Mega) @ Life Orb
Ability: Magic Bounce
EVs: 252 SpA / 4 SpD / 252 Spe
Timid / Naive Nature
- Calm Mind
- Moonblast
- Earth Power
- Hidden Power [Fire] / Diamond Storm / Psyshock

That's the ORAS megas for ya.

 

[thdhted]

We....MIGHT need to consider banning soul dew, considering if i'm remembering this right, soul dew still applies the 1.5x boosts to the latis even if they have mega evolved.

 

[Eminegg]

We....MIGHT need to consider banning soul dew, considering if i'm remembering this right, soul dew still applies the 1.5x boosts to the latis even if they have mega evolved.

You are correct. And we should consider quickbanning Soul Dew.

 

[Esprite]

#unbanprimalcaterpie

You do realize Primal Caterpie is so strong, it was banned from AG right? It's so powerful, even MegaQuaz is scared of it.

 

[DinaIsha]

As mentioned, Beedril-Mega will more or less function like Genesect in that it's a wonderful hit-and-run Mon with a Banded UTurn. Except, these UTurns will hurt a lot!

I'm surprised nobody mentioned MegaBro. It's essentially Crocune V2: Physical Balk, Lefties and No Crit bonus.

 

[Floette]

BellyZard can be a thing now? Cool.

 

[Halliday]

Soul Dew is quickbanned

Have fun

Edit:

So is Mega-Ray

 

[yikes]

Soul Dew is quickbanned

Have fun

Edit:

So is Mega-Ray

Makes sense.

 

[Eminegg]

Mega Lucario: Yes, incredible mixed stats (145/140 with 112 Speed) and Swords Dance/Nasty Plot on the same Pokemon with those stats. 70/88/70 bulk isn't that bad either, but sadly (thankfully, rather) they are bad for this meta. That is exactly why Mega Luke here shouldn't get the banhammer. 112 Speed is subpar and not actually that good, and is easily outsped by a majority of Megas that hit it super effectively and even KO it. True, you can run Focus Sash to avoid that or Bullet Punch/ExtremeSpeed with Life Orb to try and get out 1/3 of the opposing Pokemon's HP before dying, but it simply isn't enough in a meta having an insane amount of priority. Then again, ExtremeSpeed doesn't get the Adaptability boost and doesn't hit anything super effectively, so you can easily switch P-Don into Mega Luke and kill it with any of its STABs, of which both are super effective and not care about Luke's attacks as they do next to nothing. Still, though, Mega Luke is a force to be reckoned with but I highly doubt that it's overpowered. Say, for once, Mega Lopunny and Mega Houndoom both outspeed and KO Luke with their secondary STABs; Fighting and Fire respectively. Because of this, it's never to say that Mega Luke is unstoppable, uncheckable or uncounterable.

verdict

No ban

Mega Blaziken: This one's tough. 100 Speed is subpar but that ability says "that's just the starting". 2 turns with Mega Blaziken into the battlefield and you're getting nothing to outspeed it; except if you're a bit mad and run a base 110+ Scarf, which is, again, dumb. With that, since at +2 and Adamant Mega Blaziken is able to outspeed Deoxys-S with max Speed, and has base 160 Attack you're basically facing a nightmare. Also, since it's a Fire-type it won't get burned and has access to Swords Dance, Knock Off, Flare Blitz, High Jump Kick and even Earthquake, you have insane amount of variability in its sets along with sheer power and insane speed. Still, there's a lot of priority running around and especially Aerilate. Not only that, but mostly you can revenge a Mega Blaziken at low health by even Mega Scizor's Bullet Punch and if you get in Scarf Mega Garchomp after +1 then you can outspeed if you're Jolly and force out Mega Blaziken.

verdict

Abstain

Arceus: No. It's not OP at all, I mean, Mega Lopunny, Mega Lucario, Mega Blaziken, Mega Gallade, pretty much every Fighting-type Mega is able to KO Arceus without getting much damage on its side. First off, if the Arceus has HP investment it won't be able to outspeed you so you can setup and sweep. If it's fast, it won't live your hit and you won't even get 2HKOed because if it will be Adamant you'll outspeed it (considering Mega Blaziken is at +1 and the other Fighting-types mentioned are max Speed w/ Jolly/Timid) and if it'll be Jolly/Timid it won't be able to hit hard. Either way, it's easy to revenge off Arceus and after Stealth Rock it is unable to live a boosted/choiced STAB hit from base 130+ offense or a powerful super effective STAB move from 120+ offense.

verdict

No ban

 

[Halliday]

Macarazy, the thing that worried me about Mega-Blaziken wansn't it's ability to sweep by itself, but it's ability to BP boosts to other team members.

 

[Alvaro Vargas]

Viability Rankings

Everything you need to know bout the pokes



Anyways, enter the mega tier, a OM tier which puts ubers into shame. However the megas make the metagame very different, that results into greninja being E rank. Anyways we have S, A, B, C, D and E.
A and B will be having + and - counterparts, cause some came really close into getting higher and some who barely made it.


Rules:
- Dont start flaming
- Dont go off topic
- Post Smartly, this isnt the Lobby

We will rank it depending on ourselfes, your post and the Viabilty Rankings(check below for site)



For now the Limbo list is huge, so heres the priorities:
1. All mega pokes(not Mega Ray or Mega Lucario/Lucarionite)
2. Ubers
3. OU
4. UU
5. RU
6. NU
7. PU ,FU and other
Lets say Adam ranks a OU poke, and we still are ranking Megas, your post will be delayed until we do OU ones.

Anyways, the website is here: this is where u can check if u can rank a poke:
http://megatier.weebly.com/mega-rankings.html


If the poke you wanna rank isnt there or isnt linked, feel free to rank it.

If youre ranking, you must:
1. Choose your poke
2. Give it a set
3. Explain the usage
4. Give some calcs, for extra points(https://pokemonshowdown.com/damagecalc/)

Mega Council

alv10000

TheBurgerking99

Caelestis

Thundurus(and his many alts...)

Matsy

Everyone who ranked 5 of more times, gets voice on all our rooms(give your nickname on the 5th ranking)

 

[Alvaro Vargas]

The sprites been lost though the progress
oh well

 

[Kabuto Yakushi]

Garchomp-Mega @ Choice Scarf
Ability: Sand Force
EVs: 252 Atk / 4 SpD / 252 Spe
Jolly Nature
- Outrage
- Earthquake
- Stone Edge
- Iron Head

Looks familiar? Well, this is the standard ScarfChomp set. However, with its mega evolution, Garchomp becomes an even more horrifying and deadly revenge sweeper. Boasting an immense attack stat of 170, paired with 108/115/95 defenses and a good 92 speed, Mega Garchomp can take as well as dish out some hits.
Outrage is your number 1. Dragon STAB move, having a base power of 120, it will put a dent to anything that doesn't resist it. Earthquake and Stone Edge form the EdgeQuake combo, and get a 30% boost under Sandstorm, thanks to Mega Garchomp's ability Sand Force. Lastly, Iron Head is another coverage move with good power, which also gets a boost under Sandstorm and hits Fairy types for super effective damage.



Here are some calcs, just so you can see the power of this monster:

-1 252 Atk Mega Garchomp Earthquake vs. 252 HP / 0 Def Mawile: 306-362 (100.6 - 119%) -- guaranteed OHKO
252 Atk Mega Garchomp Outrage vs. 252 HP / 252+ Def Mega Sableye: 148-175 (48.6 - 57.5%) -- 94.9% chance to 2HKO
252 Atk Mega Garchomp Iron Head vs. 64 HP / 0 Def Mega Altaria: 198-234 (64.4 - 76.2%) -- guaranteed 2HKO
252 Atk Mega Garchomp Outrage vs. 248 HP / 244 Def Mega Gyarados: 180-213 (45.8 - 54.1%) -- 50% chance to 2HKO
252 Atk Mega Garchomp Earthquake vs. 0 HP / 24 Def Mega Gardevoir: 274-324 (98.9 - 116.9%) -- 93.8% chance to OHKO
252 Atk Mega Garchomp Outrage vs. 0 HP / 0 Def Mega Gallade: 250-295 (90.2 - 106.4%) -- 43.8% chance to OHKO

 

[xJownage]

Diancie-Mega (not nomming it) Is very underrated in this meta. Some of its primary drawbacks in standard don't exist here. It no longer has to worry about bulk with pre-megas lack of speed, and it no longer has to worry about not possessing enough power because now it can run LO. LO Massively increases its power and allows it to go mixed and hit very hard on both sides, and as a result it is scary good.

 

[thdhted]

Diancie-Mega (not nomming it) Is very underrated in this meta. Some of its primary drawbacks in standard don't exist here. It no longer has to worry about bulk with pre-megas lack of speed, and it no longer has to worry about not possessing enough power because now it can run LO. LO Massively increases its power and allows it to go mixed and hit very hard on both sides, and as a result it is scary good.

Not to mention the fact that LO also increases the viability of the Rock Polish set making it a better cleaner, along with (as you mentioned) improving the mixed set's notorious lack of KO power on the physical side.
But what REALLY scares me are the mega latis. they might not be able to hold their precious soul dew, but LO lati@s are still VERY strong and latias' CM stored power set only gets better thanks to the ability to hold lefties/ another item.
Both mega zards get really massive buffs here, Zard Y gets to break everything that ever existed with specs, or become a good revenge killer with scarf. LO coulped with roost can mean that Zard X doesn't even have to run DD anymore, or it can run that, forgo roost, and ruin any stall teams' day.
Scarf Mega Medicham. Revenge killer extreme. Band could also be fun, but mawhile would do it better.

 

[Alvaro Vargas]

Garchomp-Mega @ Choice Scarf
Ability: Sand Force
EVs: 252 Atk / 4 SpD / 252 Spe
Jolly Nature
- Outrage
- Earthquake
- Stone Edge
- Iron Head

Looks familiar? Well, this is the standard ScarfChomp set. However, with its mega evolution, Garchomp becomes an even more horrifying and deadly revenge sweeper. Boasting an immense attack stat of 170, paired with 108/115/95 defenses and a good 92 speed, Mega Garchomp can take as well as dish out some hits.
Outrage is your number 1. Dragon STAB move, having a base power of 120, it will put a dent to anything that doesn't resist it. Earthquake and Stone Edge form the EdgeQuake combo, and get a 30% boost under Sandstorm, thanks to Mega Garchomp's ability Sand Force. Lastly, Iron Head is another coverage move with good power, which also gets a boost under Sandstorm and hits Fairy types for super effective damage.



Here are some calcs, just so you can see the power of this monster:

-1 252 Atk Mega Garchomp Earthquake vs. 252 HP / 0 Def Mawile: 306-362 (100.6 - 119%) -- guaranteed OHKO
252 Atk Mega Garchomp Outrage vs. 252 HP / 252+ Def Mega Sableye: 148-175 (48.6 - 57.5%) -- 94.9% chance to 2HKO
252 Atk Mega Garchomp Iron Head vs. 64 HP / 0 Def Mega Altaria: 198-234 (64.4 - 76.2%) -- guaranteed 2HKO
252 Atk Mega Garchomp Outrage vs. 248 HP / 244 Def Mega Gyarados: 180-213 (45.8 - 54.1%) -- 50% chance to 2HKO
252 Atk Mega Garchomp Earthquake vs. 0 HP / 24 Def Mega Gardevoir: 274-324 (98.9 - 116.9%) -- 93.8% chance to OHKO
252 Atk Mega Garchomp Outrage vs. 0 HP / 0 Def Mega Gallade: 250-295 (90.2 - 106.4%) -- 43.8% chance to OHKO

Well this set is nice, id say not S rank, cause megamence hangs around and scarftwo y with ice beam is a threat
i would think A- cause garchomp is definitely a powerhouse, but not good enough as rayquaza takes over garchomps work
I decided we put it at B+

 

[Alvaro Vargas]

Not to mention the fact that LO also increases the viability of the Rock Polish set making it a better cleaner, along with (as you mentioned) improving the mixed set's notorious lack of KO power on the physical side.
But what REALLY scares me are the mega latis. they might not be able to hold their precious soul dew, but LO lati@s are still VERY strong and latias' CM stored power set only gets better thanks to the ability to hold lefties/ another item.
Both mega zards get really massive buffs here, Zard Y gets to break everything that ever existed with specs, or become a good revenge killer with scarf. LO coulped with roost can mean that Zard X doesn't even have to run DD anymore, or it can run that, forgo roost, and ruin any stall teams' day.
Scarf Mega Medicham. Revenge killer extreme. Band could also be fun, but mawhile would do it better.

It sounds like u have a good sight on the metagame, it would be lovely if u ranked mega latias, and the megazards, i would appriciate that

 

[thdhted]

It sounds like u have a good sight on the metagame, it would be lovely if u ranked mega latias, and the megazards, i would appriciate that

Alright, so, Rankings.
I would honestly put both mega latis in A right now. both hit rather hard, have great speed, and are two of the few available offensive defogers in the tier besides mega Burd Jesus. Mega Latias also comes with access to Wish, a valuable support move and semi reliable recovery option, along with both getting roost and Recover. All in all very solid choices, but don't get any higher thanks to a weakness to common attacking types' priority.
Both Mega Zards also belong in A in my opinion. While Zard Y fantastic, destructive wallbreaker, it comes with a NASTY 4x rocks weakness and only average speed. Zard X also comes with a Rocks weakness, but it is not as bad. What keeps it from A+ or S is it's average speed and the fact that with the large # of fairies in this meta, it HAS to run roost or risk killing itself with Flare Blitz. This also limits coverage options meaning that Zard X will struggle against mega Alteria and mega Diance.

In S tier, I would definititely place mega Metagross and mega Mawile. Mega Metagross' high speed, tough claws, good bulk, and coverage options, combined with the ability to bosst its speed and hold an item all combine to create a powerful top tier threat. Tough Claws Bullet Punch helps too.
Mega Mawile is S because it hits like a truck and has priority sucker punch alongside SD and good coverage options. The ability to hold an item only increases its viability by allowing it to passively heal via leftovers or go banded.

Mega venusaur belongs in B rank. It's a good wall, and lefties helps it a lot, but it just isn't bulky enough to take constant punishment and its recovery is too easy to stall out.

I might post a few more opinions later.