Mentali et Deoxys-GX

Psychic Club

10+

This attack does 30 more damage for each of your Benched Psychic Pokémon.

Cross Division-GX

Put 10 damage counters on your opponent's Pokémon in any way you like. If this Pokémon has at least 3 extra Energy attached to it (in addition to this attack's cost), put 20 damage counters on them instead. (You can't use more than 1 GX attack in a game.)