Suki, Kyoshi Captain is a rare Legendary Creature — Human Warrior Ally card from Avatar: The Last Airbender Eternal (TLE), collector number 85. Current market price: $0.30 (foil $2.14), TCGplayer market prices via Scryfall.
Other Warriors you control get +1/+1. {3}{W}: Attacking Warriors you control gain double strike until end of turn.