Crackdown Construct (Foil) (AER) from Aether Revolt, available at 401 Games Canada.

• Rarity: Uncommon
• Finish: Foil
• Artist: Johannes Voss
• Card Text:
  Whenever you activate an ability of an artifact or creature that isn't a mana ability, Crackdown Construct gets +1/+1 until end of turn.