Toxrill, the Corrosive
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.
About Toxrill in Brawl
Toxrill, the Corrosive is a Black/Blue legendary creature legal as a commander in MTG Arena Historic Brawl. With Kiln you can forge a complete, rules-legal 100-card deck around Toxrill in one click, balanced on mana curve and organized by role (ramp, card draw, removal, threats), with every card verified against the real Arena pool so nothing illegal or made-up slips in.
New to the format? Read how to build a Brawl deck.
Frequently asked questions
What color identity is Toxrill, the Corrosive?
Toxrill, the Corrosive's color identity is Black/Blue. Every card in its Brawl deck must fall within that identity.
Is Toxrill, the Corrosive legal as a Brawl commander?
Yes, Toxrill, the Corrosive is a legendary creature legal to command in MTG Arena Historic Brawl.
How many cards are in a Toxrill Brawl deck?
Exactly 100: Toxrill, the Corrosive as the commander plus 99 different singleton cards within its color identity.