Elektra, Daughter of the Hand is a rare Legendary Creature — Human Ninja Villain card from Marvel Super Heroes (MSH), collector number 366. Current market price: $1.81 (foil $2.52), TCGplayer market prices via Scryfall.
Sneak {1}{B}{B} (You may cast this spell for {1}{B}{B} if you also return an unblocked attacker you control to hand during the declare blockers step. She enters tapped and attacking.) When Elektra enters, destroy target creature an opponent controls with power 3 or less.