Mox Diamond is a mythic Artifact card from Magic: The Gathering (From the Vault: Relics, V10).
Mythic
From the Vault: Relics (V10)
{0}
Mana Value
0
Card Text
If this artifact would enter, you may discard a land card instead. If you do, put this artifact onto the battlefield. If you don't, put it into its owner's graveyard.
{T}: Add one mana of any color.
