Winter, Team Player is a uncommon Legendary Creature — Human Warrior card from Reality Fracture (FRA), collector number 256. Current market price: $0.15 (foil $0.20), TCGplayer market prices via Scryfall.
Convoke (Your creatures can help cast this spell. Each creature you tap while casting this spell pays for {1} or one mana of that creature's color.) Whenever you cast a noncreature spell, creatures you control get +1/+0 until end of turn.