Arcbound Worker (DST) from Darksteel, available at 401 Games Canada.

• Rarity: Common
• Finish: Normal
• Artist: Darrell Riche
• Card Text:
  Modular 1 (This comes into play with a +1/+1 counter on it. When it’s put into a graveyard, you may put its +1/+1 counters on target artifact creature.)