Toxrill, the Corrosive [Innistrad: Crimson Vow]

Description

Set:	Innistrad: Crimson Vow
Type:	Legendary Creature — Slug Horror
Rarity:	Mythic
Cost:	{5}{B}{B}

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, creature a 1/1 black Slug creature token.

{U}{B}, Sacrifice a Slug: Draw a card.