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. |
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