Heroic Teamwork is a common Instant card from Marvel Super Heroes Commander (MSC), collector number 597. Current market price: $0.15 (foil $0.19), TCGplayer market prices via Scryfall.
Teamwork 3 (As an additional cost to cast this spell, you may tap any number of creatures you control with total power 3 or more.) One or two target creatures each get +2/+1 until end of turn. If this spell was cast using teamwork, draw a card.