CrobatクロバットUnlimited

AbilitySurprise Bite

When you play this Pokémon from your hand to evolve 1 of your Pokémon, you may put 3 damage counters on 1 of your opponent's Pokémon.

This attack does 30 damage to 1 of your opponent's Pokémon. (Don't apply Weakness and Resistance for Benched Pokémon.)