Toxrill, the Corrosive - Innistrad: Double Feature (DBL) Blue As long as Necrotic Ooze

As long as Necrotic Ooze is on the battlefield

Flash Emerge {5}{U}{U} (You may cast this spell by sacrificing a creature and paying the emerge cost reduced by that creature's mana value

You may cast Spirit spells as though they had flash

you may search your library for an enchantment card

Crafted in emulation of dwarven hearth decorations

Toxrill, the Corrosive - Innistrad: Double Feature (DBL) Blue As long as Necrotic OozeAt 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. {U}{B}, Sacrifice a Slug: Draw a card.