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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.
Abilities, attacks, weakness & resistance
Other cards from Stronghold
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Mox Diamond (STH-138) is a rare artifact from the Stronghold expansion. It can enter the battlefield if you discard a land card instead of paying costs, and it taps to add one mana of any color. As a zero-cost source of colored mana, it is commonly used as fast mana in aggressive and combo strategies.
Catalog pricing data as of 15 Apr 2026, 10:45
