White Widow, Yelena Belova is a uncommon Legendary Creature — Human Assassin Villain card from Marvel Super Heroes Commander (MSC), collector number 676. Current market price: $0.73 (foil $3.16), TCGplayer market prices via Scryfall.
Deathtouch Whenever a creature you control with deathtouch deals combat damage to a player, put a +1/+1 counter on it.