Nidoqueen

Ancient Trait: Ω Barrage

This Pokémon may attack twice a turn. (If the first attack Knocks Out your opponent's Active Pokémon, you may attack again after your opponent chooses a new Active Pokémon.)

Your opponent's Active Pokémon is now Poisoned.

This Pokémon does 20 damage to itself. Don't apply Weakness to this damage.