Toxrill, the Corrosive [Innistrad: Double Feature] Island Swamp 4: <1%) and 3–5 Uncommon

4: <1%) and 3–5 Uncommon

put a +1/+1 counter on that creature

Whenever an opponent loses life for the first time during each of their turns

Set: Secret Lair Drop Promos Type: Creature — Sliver Rarity: Rare Cost: {U}{B} All Slivers have “Pay 2 life: Return this permanent to its owner's hand

Toxrill, the Corrosive [Innistrad: Double Feature] Island Swamp 4: <1%) and 3–5 UncommonSet: 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.