Cheapest priced copy (World Championship Decks 2004): $59.99 at Card Kingdom, near mint, their price list as of .
Chrome Mox 
Artifact · Mythic · Secret Lair Countdown · #2003
Imprint — When this artifact enters, you may exile a nonartifact, nonland card from your hand.
{T}: Add one mana of any of the exiled card's colors.
Legal inCommanderLegacyVintage
Banned inBrawlModern
Not legal inStandardPioneerPauper
14 printings · $59.99 to $949.99 at Card Kingdom
| Set | Number | Rarity | Card Kingdom | Foil |
|---|---|---|---|---|
| Double Masters | 240 | Mythic | $179.99 | $299.99 |
| Double Masters | 358 | Mythic | $199.99Out of stock | $299.99 |
| Eternal Masters | 219 | Mythic | $179.99 | $379.99 |
| Kaladesh Inventions | 9 | Special | — | $949.99 |
| Mirrodin | 152 | Rare | $199.99 | $699.99 |
| Grand Prix Promos | 2009 | Rare | — | $349.99 |
| Secret Lair Countdown | 2003 | Mythic | $179.99 | $499.99 |
| The Zeta Set | 98 | Mythic | — | — |
| The Zeta Set | 219 | Mythic | — | — |
| The Zeta Set | 340 | Mythic | — | — |
| Special Guests | 92 | Mythic | $199.99 | $299.99 |
| Special Guests | 102 | Mythic | — | $699.99 |
| World Championship Decks 2004 | ap152 | Rare | $59.99 | — |
| World Championship Decks 2004 | mb152 | Rare | $59.99 | — |
3 rulings from Wizards of the Coast
- 7 February 2025If no card is exiled with this artifact, it can’t add mana. The same is true if the exiled card is colorless.
- 7 February 2025If the exiled card is multicolored, you choose one of that card’s colors each time you tap this artifact for mana.
- 7 February 2025This artifact's activated ability can never add {C}, even if the exiled card is colorless or has a colorless mana symbol in its mana cost.