Toxrill, the Corrosive [Innistrad: Crimson Vow] Myr in our usual "graphic novel"

in our usual "graphic novel" size

and always attacks its controller

Set: Legends Type: Legendary Land Rarity: Uncommon {T}: Add {R}

Set: Urza's Legacy Type: Enchantment Rarity: Rare Cost: {3}{G} At the beginning of your upkeep

Prestige Archetypes is something if you want if:

Toxrill, the Corrosive [Innistrad: Crimson Vow] Myr in our usual "graphic novel"Set: Innistrad: Crimson Vow 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.