Kang, Temporal Tyrant is a uncommon Legendary Creature — Human Villain card from Marvel Super Heroes (MSH), collector number 217. Current market price: $0.18 (foil $0.28), TCGplayer market prices via Scryfall.
Whenever Kang attacks, he connives. (Draw a card, then discard a card. If you discarded a nonland card, put a +1/+1 counter on this creature.) Whenever you draw your second card each turn, each opponent loses 1 life and you gain 1 life.