Mox Opal Tweet Details Color: Artifact Card Text: Metalcraft - T: Add one mana of any color to your mana pool. Activate this ability only if you control three or more artifacts. Rarity: M Cost: 0 Card Type: Legendary Artifact Artist: Volkan Baga Name: Mox Opal Finish: Regular Card Number: 223/249 Set Name: Modern Masters 2015
