Bullseye, Death Dealer is a uncommon Legendary Creature — Human Assassin Villain card from Marvel Super Heroes (MSH), collector number 209. Current market price: $0.17 (foil $0.26), TCGplayer market prices via Scryfall.
When Bullseye enters, you may sacrifice an artifact or discard a nonland card. When you do, Bullseye deals 2 damage to any target. {3}, {T}, Sacrifice an artifact or discard a nonland card: Bullseye deals 2 damage to any target.