Wolfbat is a uncommon Creature — Wolf Bat card from Avatar: The Last Airbender (TLA), collector number 122. Current market price: $0.12 (foil $0.24), TCGplayer market prices via Scryfall.
Flying Whenever you draw your second card each turn, you may pay {B}. If you do, return this card from your graveyard to the battlefield with a finality counter on it. (If a creature with a finality counter on it would die, exile it instead.)