Primordial Hydra (M13) from Magic 2013, available at 401 Games Canada.

• Rarity: Mythic Rare
• Finish: Normal
• Artist: Aleksi Briclot
• Card Text:
  Primordial Hydra enters the battlefield with X +1/+1 counters on it.
  At the beginning of your upkeep, double the number of counters on Primordial Hydra.
  Primordial Hydra has trample as long as it has 10 or more counters on it.