Mr. Mime 179/165 (Pokémon 151)

Abilities

Mimic Barrier: If this Pokémon and your opponent's Active Pokémon have the same amount of Energy attached, prevent all damage done to this Pokémon by attacks from your opponent's Pokémon.

Attacks

Psypower: Put 3 damage counters on your opponent's Pokémon in any way you like.