Jackal, Genius Geneticist is a rare Legendary Creature — Human Scientist Villain card from Marvel's Spider-Man (SPM), collector number 131. Current market price: $0.28 (foil $0.39), TCGplayer market prices via Scryfall.
Trample Whenever you cast a creature spell with mana value equal to Jackal's power, copy that spell, except the copy isn't legendary. Then put a +1/+1 counter on Jackal. (The copy becomes a token.)