Haru, Hidden Talent is a uncommon Legendary Creature — Human Peasant Ally card from Avatar: The Last Airbender (TLA), collector number 182. Current market price: $0.24 (foil $0.33), TCGplayer market prices via Scryfall.
Whenever another Ally you control enters, earthbend 1. (Target land you control becomes a 0/0 creature with haste that's still a land. Put a +1/+1 counter on it. When it dies or is exiled, return it to the battlefield tapped.)