Shredder's Technique is a uncommon Sorcery card from Teenage Mutant Ninja Turtles (TMT), collector number 77. Current market price: $0.30 (foil $0.34), TCGplayer market prices via Scryfall.
Sneak {B} (You may cast this spell for {B} if you also return an unblocked attacker you control to hand during the declare blockers step.) Destroy target creature or enchantment. If an enchantment was destroyed this way, you lose 2 life.