Metallic Mimic (Foil) (AER) from Aether Revolt, available at 401 Games Canada.

• Rarity: Rare
• Finish: Foil
• Artist: Zack Stella
• Card Text:
  As Metallic Mimic enters the battlefield, choose a creature type.
  Metallic Mimic is the chosen type in addition to its other types.
  Each other creature you control of the chosen type enters the battlefield with an additional +1/+1 counter on it.