Eel-Hounds is a uncommon Creature — Fish Dog card from Avatar: The Last Airbender Eternal (TLE), collector number 250. Current market price: $0.14 (foil $0.35), TCGplayer market prices via Scryfall.
Trample (This creature can deal excess combat damage to the player it's attacking.) Whenever this creature attacks, another target creature you control gets +2/+2 and gains trample until end of turn.