Your search for "Hippo-Cows 252" revealed the following:
Hippo-Cows (Foil) (TLE) from Avatar: The Last Airbender Eternal, available at 401 Games Canada. Rarity: Common Finish: Foil Artist: Brandon L. Hunt Card Text:Trample (This creature can deal excess combat damage to the player it's attacking.)
Hippo-Cows (TLE) from Avatar: The Last Airbender Eternal, available at 401 Games Canada. Rarity: Common Finish: Normal Artist: Brandon L. Hunt Card Text:Trample (This creature can deal excess combat damage to the player it's attacking.)