Shredder's Technique (#77)

Type: Sorcery

Text: 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.

Set: Teenage Mutant Ninja Turtles (#77)