Mox Opal - Foil - Borderless Tweet Out of stock. $190.16 Wishlist Details Color: Artifact Card Text: Metalcraft - T: Add one mana of any color. Activate this ability only if you control three or more artifacts. Rarity: M Cost: 0 Card Type: Legendary Artifact Artist: Martina Pilcerova Name: Mox Opal Finish: Foil Card Number: 362 Set Name: Double Masters