Tiger Shark, Abyssal Hunter is a uncommon Legendary Creature — Shark Human Villain card from Marvel Super Heroes Commander (MSC), collector number 747. Current market price: $0.26 (foil $0.40), TCGplayer market prices via Scryfall.
Whenever Tiger Shark enters or attacks, he connives. (Draw a card, then discard a card. If you discarded a nonland card, put a +1/+1 counter on this creature.) {4}{U/B}: Tiger Shark can't be blocked this turn.