Snowhorn Rider is a common Creature — Human Warrior card from Khans of Tarkir (KTK), collector number 201. Current market price: $0.06 (foil $0.25), TCGplayer market prices via Scryfall.
Trample Morph {2}{G}{U}{R} (You may cast this card face down as a 2/2 creature for {3}. Turn it face up any time for its morph cost.)