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Doubling Cube

Card Name

Doubling Cube

Mana Cost

2

Type

Artifact

Rarity

Rare

rules Text

3
, : Double the amount of each type of mana in your mana pool.

Flavor Text

The cube's surface is pockmarked with jagged runes that seem to shift when unobserved.

Legal Formats

Commander, Legacy, Modern, Vintage

Not Legal Formats

Alchemy, Brawl, Explorer, Historic, Pauper, Pioneer, Standard

Rulings

(12/1/2004)
Doubling Cube's ability is a mana ability.
(12/1/2004)
The "type" of mana is its color, or lack thereof (if the mana is colorless).
(12/1/2004)
Any restrictions on the unspent mana aren't copied. For example, if you have with no restrictions on it and that can be used only to cast artifact spells, you'll end up with , that can be used only to cast artifact spells, and that can be used for anything.