Gary, the Snail - Toxrill, the Corrosive (Rainbow Foil) [SLD - 1929]

Rarity: M #: 1929 Creature Type or Sub Type: Legendary Creature — Slug Horror P: 7 T: 7 Rules Text Contains: At the beginning of each end step, put a slime counter on each creature you don't control. Creatures you don't control get -1/-1 for each slime counter on them. Whenever a creature you don't control with a slime counter on it dies, create a 1/1 black Slug creature token. UB, Sacrifice a Slug: Draw a card.