Toxrill, the Corrosive [Innistrad: Crimson Vow] Arena League 2004 you may have target opponent

you may have target opponent discard a card

Set: Dungeons & Dragons: Adventures in the Forgotten Realms Promos Type: Legendary Creature — Dragon Rarity: Mythic Cost: {5}{G}{G} Flying

horsemanship (This creature can't be blocked except by creatures with horsemanship

Set: Kaladesh Inventions Type: Artifact Rarity: Mythic Cost: {0} {T}

Nylea isn't a creature

Toxrill, the Corrosive [Innistrad: Crimson Vow] Arena League 2004 you may have target opponentSet: 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, creature a 1 1 black Slug creature token. {U}{B}, Sacrifice a Slug: Draw a card.