Hatterene (CRE 73)
Ability
Witch Rondo
Once during your turn, you may switch your Active Pokémon with 1 of your Benched Pokémon. If you do, your opponent switches their Active Pokémon with 1 of their Benched Pokémon.
Psychic
30+
This attack does 50 more damage for each Energy attached to your opponent's Active Pokémon.