Sagu Mauler is a rare Creature — Beast card from Khans of Tarkir (KTK), collector number 196. Current market price: $0.24 (foil $0.85), TCGplayer market prices via Scryfall.
Trample, hexproof Morph {3}{G}{U} (You may cast this card face down as a 2/2 creature for {3}. Turn it face up any time for its morph cost.)