Gardevoir

As often as you like during your turn (before your attack), you may move a Psychic Energy attached to 1 of your Benched Pokémon to your Active Pokémon. This power can't be used if Gardevoir is affected by a Special Condition.

Does 20 damage plus 10 more damage for each Energy attached to Gardevoir and the Defending Pokémon.

Gardevoir has no Weakness during your opponent's next turn.