Chillerpillar 43 (Modern Horizons)

{4}{S}{S}: Monstrosity 2. (If this creature isn't monstrous, put two +1/+1 counters on it and it becomes monstrous. {S} can be paid with one mana from a snow source.) As long as this creature is monstrous, it has flying.

NM - $0.50
LP - $0.50
MP - $0.50
HP - $0.50
DMG - $0.50