The condition in this case is controlling three permanents you dont own, which can be accomplished through traditional Control Magic-style effects, or through Arvinoxs own ability, which lets you exile and play cards from the bottom of opposing libraries
The ability also has nothing to do with food, and would probably be difficult to re-write to do so
Serra the Benevolent is a flavor home-run for the deck, creating a Serra Angel token and then using its plus ability later to boost your Angel army
So, once Mewtwo EX has 3 Energy, it gets the one extra Energy required for the 150 DMG Psydrive for free from Gardevoir and Also, remember that Mewtwo EX discards 2 Energy whenever it uses Psydrive
Whether Your Shadowless Card Is Worth Grading Grading pays for itself when the spread between grades is wide, which describes Shadowless holos and not much else in the set