Toxrill, the Corrosive [Innistrad: Double Feature] S4 [The Good of Others] When

[The Good of Others] When this character is banished in a challenge

[All Turns] [Once Per Turn] When a card is removed from a security stack

If it's a green card

You can only use each effect of "Unchained Twins - Aruha" once per turn

Toxrill, the Corrosive [Innistrad: Double Feature] S4 [The Good of Others] WhenSet: Innistrad: Double Feature 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, create a 1 1 black Slug creature token. {U}{B}, Sacrifice a Slug: Draw a card.