A Stage 1 Pokemon Card of type Grass with the title Muk and 70 HP of rarity Rare evolved from Grimer from the set Aquapolis.  It has the attack Burning Sludge with the cost Colorless, Colorless, the energy cost 2 and the damage of 10 with the description: Flip a number of coins equal to the amount of Grass Energy attached to Muk. If any of them are heads, the Defending Pokemon is now Poisoned and Burned. It has the ability Heavyweight with the description: As long as there is a Grass Energy attached to Muk, you must pay an additional ColorlessColorless to retreat it. It has weakness against Psychic 2. 
Muk