Muk (Aquapolis H17/H32)
Poké-BODY Heavyweight

As long as there is a Grass Energy attached to Muk, you must pay an additional Colorless Colorless to retreat it.

Colorless Colorless
Burning Sludge

Flip a number of coins equal to the amount of Grass Energy attached to Muk. If any of them are heads, the Defending Pokémon is now Poisoned and Burned.