I can't thank you guys enough for that.
Anyway, here's my theoretical Greninja lead set. Let me know if there's anything that I could switch around to make it more effective.
Greninja@Leftovers
Ability:Protean
EVs: 4 Atk / 252 SpA / 252 Spe
Nature: Naive (+Spe, -SpD)/Hasty (+Spe, -Def)...