Quicksilver Behemoth (Foil) (DST) from Darksteel, available at 401 Games Canada.

• Rarity: Common
• Finish: Foil
• Artist: Anthony S. Waters & Cara Mitten
• Card Text:
  Affinity for artifacts (This spell costs 1 less to play for each artifact you control.)
  When Quicksilver Behemoth attacks or blocks, return it to its owner’s hand at end of combat. (Return it only if it’s in play.)