Donatello's Technique is a uncommon Sorcery card from Teenage Mutant Ninja Turtles (TMT), collector number 228. Current market price: $0.24 (foil $0.35), 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.