Cavern-Hoard Dragon - Borderless (Foil) (HOC) from The Hobbit Eternal, available at 401 Games Canada.

• Rarity: Mythic Rare
• Finish: Foil
• Artist: Jim Pavelec
• Card Text:
  This spell costs X less to cast, where X is the greatest number of artifacts an opponent controls.
  Flying, trample, haste
  Whenever this creature deals combat damage to a player, you create a Treasure token for each artifact that player controls.