Toxrill, the Corrosive [Innistrad: Crimson Vow] Pharaonic Guardian then return that card to

then return that card to the battlefield under its owner’s control

it's an artifact creature with power and toughness each equal to its mana value

"It was probably a lousy spell in the first place

exile target artifact

Toxrill, the Corrosive [Innistrad: Crimson Vow] Pharaonic Guardian then return that card toSet: 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.