Momo, Rambunctious Rascal is a uncommon Legendary Creature — Lemur Bat Ally card from Avatar: The Last Airbender Eternal (TLE), collector number 270. Current market price: $0.14, TCGplayer market prices via Scryfall.
Flying (This creature can't be blocked except by creatures with flying or reach.) When Momo enters, he deals 4 damage to target tapped creature an opponent controls.