Mewtwo

Ability: Recover

Once during your turn (before your attack), you may discard 2 Energy from this Pokémon. Then, heal all damage from this Pokémon.

Psywave Slash • 90+

This attack does 20 more damage for each damage counter on your opponent's Active Pokémon.

Dark Nova

Knock Out 1 of your opponent's Pokémon X