the following list are the only _new_ cards in Lost Link, and therefore, have a need to be proxied. (http://bulbapedia.bulbagarden.net/wiki/Call_of_Legends)
For the Pokemon, just use any card of the same specie that is older than MD. Sound good?
2.Deoxys
3.Dialga
6.Groudon
9.Ho-oh...