Wartime Protestors is a rare Creature — Human Rebel Ally card from Avatar: The Last Airbender (TLA), collector number 375. Current market price: $0.45 (foil $0.45), TCGplayer market prices via Scryfall.
Haste Whenever another Ally you control enters, put a +1/+1 counter on that creature and it gains haste until end of turn.