Sun Warriors is a uncommon Creature — Human Warrior Ally card from Avatar: The Last Airbender (TLA), collector number 244. Current market price: $0.22 (foil $0.25), TCGplayer market prices via Scryfall.
Firebending X, where X is the number of creatures you control. (Whenever this creature attacks, add X {R}. This mana lasts until end of combat.) {5}: Create a 1/1 white Ally creature token.