Your search for "Colossodon Yearling 178" revealed the following:
Colossodon Yearling (DTK) from Dragons of Tarkir, available at 401 Games Canada. Rarity: Common Finish: Normal Artist: Yeong-Hao Han
Colossodon Yearling (Foil) (DTK) from Dragons of Tarkir, available at 401 Games Canada. Rarity: Common Finish: Foil Artist: Yeong-Hao Han