First printed in Innistrad: Crimson Vow (2021)
All 7 prints
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Legendary Creature — Slug Horror
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.
, Sacrifice a Slug: Draw a card.
7/7
- Illustrated by
- Simon Dominic
Legality
- Legal in
- Pioneer, Modern, Legacy, Vintage, Historic, Timeless, Penny Dreadful, Gladiator, Commander, Duel Commander, Oathbreaker, Brawl, Competitive Brawl
- Not legal in
- Standard, Pauper, Future Standard, Alchemy, Premodern, Old School 93/94, Pauper Commander, PreDH, Tiny Leaders, Standard Brawl
Rulings (3)
- Toxrill. the Corrosive's second and third abilities apply to all creatures you don't control with slime counters, even if those slime counters came from a source other than Toxrill's first ability.
- Another card, Sludge Monster, causes non-Horror creatures with slime counters on them to lose all abilities and have base power and toughness 2/2. If you control both Toxrill and Sludge Monster, those non-Horror creatures are 2/2 creatures with no abilities that also get -1/-1 for each slime counter.
- Toxrill's third ability triggers when a creature an opponent controls with a slime counter on it dies for any reason, not just due to its toughness being decreased by Toxrill's second ability.
Prices
MTGO price: 0.006 TIX, the cheapest non-foil print (average sell price on GoatBots, 1 Nov 2026).
Combos
2 combos, the most popular first:
- Reduce the toughness of creatures opponents control to 0 on each of your turns: Maha, Its Feathers Night + Toxrill, the Corrosive
- Reduce the toughness of creatures opponents control to 0 on each of your turns: Godhead of Awe + Toxrill, the Corrosive
