Earth Kingdom Protectors is a uncommon Creature — Human Soldier Ally card from Avatar: The Last Airbender (TLA), collector number 17. Current market price: $0.21 (foil $0.34), TCGplayer market prices via Scryfall.
Vigilance Sacrifice this creature: Another target Ally you control gains indestructible until end of turn. (Damage and effects that say "destroy" don't destroy it.)