Mox Tantalite is one of those cards players keep asking about. Here is, in plain words, what its official text says, the rulings published by Wizards of the Coast, and the combos players actually run.
Official card text
Suspend 3—(Rather than cast this card from your hand, pay
: Add one mana of any color.
Complete guide
Mox Tantalite is a powerful mana accelerator that trades immediate impact for long-term value. As part of the cycle of non-land cards with no mana cost, it utilizes the Suspend mechanic to eventually provide a permanent mana source for free.
What It Does
Mox Tantalite is a zero-mana artifact that provides one mana of any color when tapped. However, because it has no mana cost printed in its upper corner, you cannot cast it normally from your hand. Instead, you must use its Suspend 3 ability by paying zero mana and exiling it from your hand with three time counters. Once on the battlefield, it functions as a versatile mana rock similar to cards like Arcane Signet, helping you fix your colors and ramp into bigger spells.
How It Resolves Step by Step
First, during your main phase when the stack is empty, you pay the Suspend cost of {0} to exile the card; this action does not use the stack and cannot be responded to. Second, at the beginning of each of your upkeep steps, a triggered ability puts a request on the stack to remove one time counter. Third, when the final counter is removed, a new triggered ability allows you to cast the card without paying its mana cost. If this ability resolves, Mox Tantalite enters the battlefield and is ready to be used for mana.
Common Mistakes
A frequent error is trying to cast Mox Tantalite directly from your hand for zero mana; this is impossible because 'no mana cost' is an unpayable cost, unlike a cost of '{0}'. Another mistake involves timing: you can only Suspend the card at times you could normally cast an artifact. Finally, remember that if the triggered ability to cast the card is countered (for example, by Stifle), the card remains in exile indefinitely with no counters on it and cannot be cast later.
When to Play It
Mox Tantalite is best suited for slower, controlling decks or strategies that plan for a long game where a free mana source on turn four is highly impactful. It is also excellent in decks that can manipulate time counters or cast spells from exile for additional benefits. In very fast formats, its three-turn delay can be a significant drawback, so it should be paired with early-game defensive tools to ensure you survive until the Mox arrives.
Interaction examples
On turn one, you Suspend Mox Tantalite for {0}. On turns two, three, and four, you remove counters during your upkeep. On turn four, you cast the Mox for free, then play a land, effectively giving you five mana available on that turn to cast a powerful spell.
Sol Ring
SkullclampWhile Mox Tantalite is suspended, you can use Sol Ring to accelerate your other plays, like casting a Skullclamp. Once the Mox Tantalite eventually enters the battlefield, it provides the colored mana needed to pay for the equip cost of Skullclamp, which Sol Ring's colorless mana cannot cover.
Guide written with AI from the official text and rulings. Official English text prevails.
How it works : Mox Tantalite
Original English text — Wizards of the Coast / Scryfall
- #1· Wizards of the Coast
Suspend is a keyword that represents three abilities. The first is a static ability that allows you to exile the card from your hand with the specified number of time counters (the number before the dash) on it by paying its suspend cost (listed after the dash). The second is a triggered ability that removes a time counter from the suspended card at the beginning of each of your upkeeps. The third is a triggered ability that gives you the option to cast the card when the last time counter is removed.
No other card is named in this ruling.
- #2· Wizards of the Coast
You can exile a card in your hand using suspend any time you could cast that card. Consider its card type, any effects that modify when you could cast it (such as flash) and any other effects that stop you from casting it (such as from Meddling Mage's ability) to determine if and when you can do this. Whether you could actually complete all steps in casting the card is irrelevant. For example, you can exile a card with suspend that has no mana cost or that requires a target even if no legal targets are available at that time.
No other card is named in this ruling.
- #3· Wizards of the Coast
Cards exiled with suspend are exiled face up.
No other card is named in this ruling.
- #4· Wizards of the Coast
Exiling a card with suspend isn't casting that card. This action doesn't use the stack and can't be responded to.
No other card is named in this ruling.
- #5· Wizards of the Coast
If the spell requires any targets, those targets are chosen when the spell is finally cast, not when it's exiled.
No other card is named in this ruling.
- #6· Wizards of the Coast
If an effect refers to a "suspended card," that means a card that (1) has suspend, (2) is in exile, and (3) has one or more time counters on it.
No other card is named in this ruling.
- #7· Wizards of the Coast
If the first triggered ability of suspend (the one that removes time counters) is countered, no time counter is removed. The ability will trigger again at the beginning of the card's owner's next upkeep.
No other card is named in this ruling.
- #8· Wizards of the Coast
When the last time counter is removed, the second triggered ability of suspend (the one that lets you cast the card) triggers. It doesn't matter why the last time counter was removed or what effect removed it.
No other card is named in this ruling.
- #9· Wizards of the Coast
If the second triggered ability is countered, the card can't be cast. It remains exiled with no time counters on it, and it's no longer suspended.
No other card is named in this ruling.
- #10· Wizards of the Coast
Due to a recent rules change to suspend, you are no longer required to cast the suspended card as the second triggered ability of suspend resolves. Instead, as the second triggered ability resolves, you may cast the card. Timing permissions based on the card's type are ignored. If you don't cast the card, it remains exiled with no time counters on it, and it's no longer suspended.
No other card is named in this ruling.
- #11· Wizards of the Coast
If you cast a card "without paying its mana cost," such as with suspend, you can't choose to cast it for any alternative costs. You can, however, pay additional costs. If the card has any mandatory additional costs, you must pay those if you want to cast the card.
No other card is named in this ruling.
- #12· Wizards of the Coast
If the card has
in its mana cost, you must choose 0 as the value of X when casting it without paying its mana cost.No other card is named in this ruling.
- #13· Wizards of the Coast
The mana value of a spell cast without paying its mana cost is determined by its mana cost, even though that cost wasn't paid.
No other card is named in this ruling.
- #14· Wizards of the Coast
A card with no mana cost can't be cast normally; you'll need a way to cast it for an alternative cost or without paying its mana cost, such as by suspending it.
No other card is named in this ruling.
- #15· Wizards of the Coast
If a card with no mana cost is given an alternative cost equal to its mana cost (by Snapcaster Mage, for example), that cost cannot be paid and the card cannot be cast this way.
No other card is named in this ruling.
Legal formats
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