Qwilfish (Flashfire 21/106)
0

Ability Counteract Quills

If this Pokémon is your Active Pokémon and is damaged by an opponent's attack (even if this Pokémon is Knocked Out), put 2 damage counters on the Attacking Pokémon.

Colorless Colorless

Poison Sting

20

Your opponent's Active Pokémon is now Poisoned.