Mox Opal Tweet Near Mint, English, limit 10 $43.45 Buy This Product 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: Volkan Baga Name: Mox Opal Finish: Regular Card Number: 275/332 Set Name: Double Masters