, : Double the amount of each type of unspent mana you have.
//
{3}, {T}: Double the amount of each type of unspent mana you have.
Doubling Cube // Doubling Cube (sld_1080)
- rare
, : Double the amount of each type of unspent mana you have.
//
{3}, {T}: Double the amount of each type of unspent mana you have.