Mox Diamond
{0}Artifact
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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.
Official rulings
- If you don't discard a land card, Mox Diamond never enters. It won't trigger abilities that look for something entering, and you won't get the opportunity to tap it for mana. (2008-05-01)
Cards like this
Functionally similar cards by meaning — playable in Mox Diamond’s colours.
