Donatello's Technique is a uncommon Sorcery card from Teenage Mutant Ninja Turtles (TMT), collector number 39. Current market price: $0.27 (foil $0.27), TCGplayer market prices via Scryfall.
Sneak {U} (You may cast this spell for {U} if you also return an unblocked attacker you control to hand during the declare blockers step.) Draw two cards.