Chillerpillar (Foil) (MH1) from Modern Horizons, available at 401 Games Canada.

• Rarity: Common
• Finish: Foil
• Artist: Suzanne Helmigh
• Card Text:
  4SS: 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 permanent.)
  As long as Chillerpillar is monstrous, it has flying.