Leonardo, Sewer Samurai is a mythic Legendary Creature — Mutant Ninja Turtle Samurai card from Teenage Mutant Ninja Turtles (TMT), collector number 215. Current market price: $5.57 (foil $8.08), TCGplayer market prices via Scryfall.
Sneak {2}{W}{W} Double strike During your turn, you may cast creature spells with power or toughness 1 or less from your graveyard. If you cast a spell this way, that creature enters with a finality counter on it. (If a creature with a finality counter on it would die, exile it instead.)