Mox Opal Tweet NM-Mint, English, limit 30 $54.00 / $64.80 credit Buy This Product Details Color: Artifact Card Text: Metalcraft -- Tap: Add one mana of any color to your mana pool. Activate this ability only if you control 3 or more artifacts. Rarity: M Card Type: Artifact Artist: Volkan Ba?a Name: Mox Opal Finish: Regular Card Number: 179/249 Set Name: Scars of Mirrodin Cost: 0