Clockwork Dragon (MRD) from Mirrodin, available at 401 Games Canada.

• Rarity: Rare
• Finish: Normal
• Artist: Arnie Swekel
• Card Text:
  Flying
  Clockwork Dragon comes into play with six +1/+1 counters on it.
  Whenever Clockwork Dragon attacks or blocks, remove a +1/+1 counter from it at end of combat.
  3: Put a +1/+1 counter on Clockwork Dragon.