Magic

Prices updated

Mox Diamond Stronghold MTG card
STH #138 · Art by Dan Frazier
STH set symbol, RareStronghold#138Rare

Mox Diamond

Artifact Game Changer
Nonfoil
TCGplayer market · STH #138 nonfoil
$1,119.70 0.0% −$0.12, 7 days
1-year range
30 days
+1.0%
EDHREC rank
#247 No change in 30 days
Best buylist

Buy STH #138 nonfoil

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Mox Diamond Price Summary

The benchmark price (cheapest playable nonfoil) is $1,119.70, flat over 7 days, up 1.0% over 30 days, down 0.9% over 90 days.

Mox Diamond Price History

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Markets on the chart

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Mox Diamond price history chart, default range 3 months. currently $1,119.70.

Where to Buy and Sell Mox Diamond

Every market we track for STH #138 nonfoil on one line. The gray band is what you give up selling to a store instead of buying at market.

Mox Diamond in Sealed Products

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Mox Diamond Printings & Prices

Mox Diamond has 2 tracked printings across 2 sets, in foil and nonfoil finishes.

STH set symbol, RareSTH #138
Reserved List
Viewing
V10 set symbol, MythicV10 #10
Reserved List

Sell Mox Diamond: Buylist Offers

BuyerPrintingFinishCash offerMarketSpread to market
Card KingdomV10 #10Foil
CoolStuffIncV10 #10Foil
Card KingdomSTH #138Nonfoil

Mox Diamond Rules Text & Legality

Mox Diamond

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.

Mox Diamond is legal in Legacy and Commander, and not legal in Standard, Pioneer, Modern and Pauper.

View on Scryfall ↗

Mox Diamond Rulings

  • May 1, 2008

    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.

Reprints & Reprint Risk

Mox Diamond has been reprinted 2 times.

  • Mar 2, 1998STH set symbol, RareStrongholdSTH #138
  • Aug 27, 2010V10 set symbol, MythicFrom the Vault: Relics · foilV10 #10

Mox Diamond in Commander

Mox Diamond is the #247 most-played card on EDHREC.

#247 EDHREC rank
across all Commander decks No change in 30 days

Mox Diamond FAQ

How much is Mox Diamond worth?

Mox Diamond is worth about $1,119.70 for its cheapest playable printing as of Nov 8, 2026.

Is Mox Diamond legal in Commander?

Yes. Mox Diamond is legal in Commander. It is also legal in Legacy.

Has Mox Diamond been reprinted?

Yes. Mox Diamond has been reprinted 2 times, with 2 printings tracked on The Index.

Why is Mox Diamond expensive?

Mox Diamond holds a $1,119.70 price because it is on the Reserved List, so it can never be reprinted and Commander demand is high (#247 on EDHREC).

What can I play instead of Mox Diamond?

Cards that fill a similar role include Chrome Mox, Mox Opal, Lotus Petal.

Where is Mox Diamond banned?

Mox Diamond is banned in Duel Commander.