Enduring Scalelord (CM2) from Commander Anthology Volume II, available at 401 Games Canada.

• Rarity: Uncommon
• Finish: Normal
• Artist: Clint Cearley
• Card Text:
  Flying
  Whenever one or more +1/+1 counters are placed on another creature you control, you may put a +1/+1 counter on Enduring Scalelord.