Muk

Poke-BODY — Sludge Cell: If Muk remains affected by any Special Conditions between turns, remove 2 damage counters from Muk.

Strange Poison (30): Flip a coin. If heads, the Defending Pokémon is now Poisoned. If tails, Muk is now Poisoned.

Strange Sludge (50+): If Muk is Poisoned, this attack does 50 damage plus 20 more damage and the Defending Pokémon is now Confused.