Mox Diamond – MTG Proxy Stronghold

About Mox Diamond

Mox Diamond is a premium Mox Diamond MTG proxy card from Magic: The Gathering‘s Stronghold set. This colorless artifact is most useful in decks built around fast mana, land recursion, and multicolor mana fixing, making it a strong option for casual Commander, powered cube, display, and deck testing where proxies are allowed.

Mana Cost
Type	Artifact
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. : Add one mana of any color.
Set	Stronghold STH #138
Rarity	Rare

What Mox Diamond Does

Mox Diamond is a zero-mana artifact that can enter the battlefield only if you discard a land card. Once it is on the battlefield, it taps for one mana of any color. In practical terms, it turns a land in hand into immediate acceleration and perfect color fixing.

The main value of Mox Diamond is speed. It lets a deck start ahead on mana without spending mana to do it, which is exactly why the card has remained one of the most recognizable fast-mana artifacts in Magic. It can help cast a key two-drop on turn one, fix awkward opening hands, or give multicolor decks access to the right color at the right time.

The tradeoff is real. Discarding a land means Mox Diamond costs a card, and it is weaker in decks that cannot afford to lose land drops. It performs best when your deck has a high enough land count, land recursion, card draw, or a low curve that can make the early acceleration worth the resource cost.

Best Uses for Mox Diamond MTG Proxy

• Fast multicolor starts: Mox Diamond is strongest in decks that need early access to multiple colors and cannot afford to wait for tapped lands or slower mana rocks.
• Land recursion shells: Decks using graveyard land engines can turn the discarded land into a temporary cost instead of a permanent loss.
• Powered cube: Mox Diamond helps cube environments support fast combo, multicolor midrange, artifact decks, and aggressive starts without relying only on traditional mana rocks.
• Deck testing: A Mox Diamond proxy is useful when you want to see whether the card actually improves your opening hands before committing to a specific build.

Recommended Interactions

Mox Diamond works well with cards that return lands from the graveyard, reward lands going to the graveyard, or let you play extra lands. When building around it, look for ways to offset the discarded land while still taking advantage of the early mana boost.

• Life from the Loam: Recovers lands from the graveyard and helps keep land-heavy decks stocked after discarding to Mox Diamond.
• Crucible of Worlds: Lets you play lands from your graveyard, making the discarded land easier to recover over the course of the game.
• Ramunap Excavator: Provides a creature-based version of the Crucible effect, which is useful in green land decks and creature-focused Commander lists.
• The Gitrog Monster: Rewards lands going to the graveyard and fits naturally with the same land-recursion package that makes Mox Diamond stronger.

Cards That Work Well With Mox Diamond

Life from the Loam

Life from the Loam helps recover the land discarded to Mox Diamond and keeps land-based engines moving through the midgame.

Crucible of Worlds

Crucible of Worlds turns discarded lands into future land drops, reducing the long-term cost of playing Mox Diamond early.

Ramunap Excavator

Ramunap Excavator supports the same plan as Crucible of Worlds while also adding a creature body for green decks.

The Gitrog Monster

The Gitrog Monster rewards lands going to the graveyard and fits well in decks that already want discard, sacrifice, and land recursion synergies.

Decks That Want Mox Diamond

Mox Diamond fits best in land recursion, high-powered multicolor Commander, and powered cube decks. In Commander, it is especially useful in decks that need early fixing for three or more colors, or in commanders that care about lands entering, leaving, or returning from the graveyard.

In cube, Mox Diamond is best in environments where fast mana is part of the intended experience. It can support artifact decks, combo decks, tempo decks, and greedy multicolor piles that would like their mana to behave for once. For deck testing, Mox Diamond is useful when you want to compare fast mana against slower ramp options and see whether the discard cost is worth the speed.

Strengths and Considerations

The main strength of Mox Diamond is zero-mana acceleration with any-color fixing. It can make opening hands much more explosive and gives multicolor decks cleaner early sequencing.

The main consideration is card disadvantage. Mox Diamond is not ideal in low-land decks, decks with weak card draw, or hands that cannot afford to lose a land. Testing Mox Diamond as a proxy can help you decide whether it fits your deck, cube, or casual playgroup before buying or moving around official copies.

Product Quality and Proxy Use

ProxyKing cards are produced with premium print quality, proper trading-card size, ideal weight, consistent thickness, and a natural shuffle feel for sleeved casual play.

This is a proxy/playtest card for casual play, Commander, cube, display, and deck testing where proxies are allowed. It is not an official Magic card and is not tournament legal. Review our Proxy Use Policy for responsible casual use.

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