Qwilfish (FLF 21)
Ability
Counterattack 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.
Poison Sting
20
Your opponent's Active Pokémon is now Poisoned.
weakness: x2
resistance: none
retreat cost: 1