I have Eevee left over from a breeding project. I'm not asking for anything in return.
Natures: timid, naive, modest
Abilities: run away, adaptability, anticipation
Ivs: up to 4 flawless stats
Egg moves: Curse, yawn, covet, charm
How about instead of 3 pokemon with the same type on an elite four team they are made to have 4 like the gym leaders. Limits one of their pokemon to a certain type and makes it easier for the challenger.