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honestly i would probably run moonblast over LOR on a geomancy set. the raw power of LOR sounds tempting, but recoil eating away at half your HP every time you kill something really sucks, especially if you're trying to sweep. all that recoil will make it very easy to snipe floette with...
i dunno how you got those calcs but they're wrong.
4 Atk Carbink Stone Edge vs. 4 HP / 0 Def Mega Charizard X: 200-236 (67.1 - 79.1%) -- guaranteed 2HKO
0 SpA Carbink Moonblast vs. 4 HP / 0 SpD Latios: 188-224 (62.2 - 74.1%) -- guaranteed 2HKO
4 Atk Carbink Stone Edge vs. 252 HP / 0 Def...
You're wrong.
Dugtrio and Wobbuffet do entirely different things. They have no similarities outside of trapping, so comparing them like this is pointless. It's like comparing Gyarados to Landorus-T just because they both have intimidate.
aegislash. resists both stabs and can hit back hard with shadow ball and shadow sneak. scizor is another good one, also resisting both stabs and nailing it with bullet punch.