Qwilfish 21

Card details

HP 80 · Water · Weakness Grass ×2

• Counterattack Quills · Ability — 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.

“To fire its poison spikes, it must inflate its body by drinking over 2.6 gallons of water all at once.”