Valentina Allegra de Fontaine is a uncommon Legendary Creature — Human Spy Villain card from Marvel Super Heroes Commander (MSC), collector number 671. Current market price: $0.26 (foil $1.17), TCGplayer market prices via Scryfall.
Other Villains you control are Heroes in addition to their other types. {T}: Target Hero you control connives. Activate only as a sorcery. (Draw a card, then discard a card. If you discarded a nonland card, put a +1/+1 counter on that creature.)