Terrific Team-Up is a uncommon Instant card from Marvel Super Heroes Commander (MSC), collector number 819. Current market price: $0.20 (foil $0.24), TCGplayer market prices via Scryfall.
This spell costs {2} less to cast if you control a permanent with mana value 4 or greater. One or two target creatures you control each get +1/+0 until end of turn. They each deal damage equal to their power to target creature an opponent controls.