Workshop Elders (MOC) from March of the Machine Commander, available at 401 Games Canada.

• Rarity: Rare
• Finish: Normal
• Artist: Iain McCaig
• Card Text:
  Artifact creatures you control have flying.
  At the beginning of combat on your turn, you may have target noncreature artifact you control become a 0/0 artifact creature. If you do, put four +1/+1 counters on it.