Primordial Hydra (M12) from Magic 2012, 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 +1/+1 counters on Primordial Hydra.
  Primordial Hydra has trample as long as it has ten or more +1/+1 counters on it.