Kyoshi Warrior Exemplars is a uncommon Creature — Human Warrior Ally card from Avatar: The Last Airbender Eternal (TLE), collector number 140. Current market price: $0.17 (foil $1.20), TCGplayer market prices via Scryfall.
Whenever this creature attacks, if you control eight or more lands, creatures you control get +2/+2 until end of turn.