standard
future
historic
gladiator
pioneer
explorer
modern
legacy
pauper
vintage
penny
commander
brawl
alchemy
paupercommander
duel
oldschool
premodern
Rulings
If no card is imprinted on Chrome Mox, it can't add mana to your mana pool. It can never add to your mana pool, even if the imprinted card has a colorless mana symbol in its mana cost.
If you imprinted a multicolored card, you choose one of that card's colors each time you tap Chrome Mox for mana.
If you imprinted a multicolored card, you choose one of that card's colors each time you tap Chrome Mox for mana.
Rulings
If no card is imprinted on Chrome Mox, it can't add mana to your mana pool. It can never add to your mana pool, even if the imprinted card has a colorless mana symbol in its mana cost.
If you imprinted a multicolored card, you choose one of that card's colors each time you tap Chrome Mox for mana.
If you imprinted a multicolored card, you choose one of that card's colors each time you tap Chrome Mox for mana.
Your collection? Your decks?
Want to manage your collection and/or create decks?