Mox Diamond Tweet English, Near Mint, limit 20 $321.88 / $482.82 credit Buy This Product Details Artist: Reserved List Card Number: 138/143 Card Text: As an additional cost to play Mox Diamond, discard a land card. T Add one mana of any color to your mana pool. Card Type: Artifact Color: Artifact Cost: 0 Finish: Regular Name: Mox Diamond Rarity: R Set Name: Stronghold