Gardevoir δ 6

Choose 1 of your opponent's Pokémon. This attack does 10 damage for each damage counter on Gardevoir to that Pokémon. (Don't apply Weakness and Resistance for Benched Pokémon.) Damage:

Does 10 damage plus 20 more damage times the number of your opponent's Benched Pokémon. Damage: 10+