Infinite colored mana, Infinite colorless mana
Activate Doubling Cube by paying and tapping it, doubling your unspent mana.
Activate Karn by paying , causing Doubling Cube to become an artifact creature until end of turn.
Cast Pemmin's Aura by paying , enchanting Doubling Cube.
Activate Pemmin's Aura's first ability by paying , untapping Doubling Cube.
Activate Doubling Cube by paying and tapping it, doubling your unspent mana.
Repeat from step 4.
Component Cards
How It Works
Activate Doubling Cube by paying and tapping it, doubling your unspent mana.
Activate Karn by paying , causing Doubling Cube to become an artifact creature until end of turn.
Cast Pemmin's Aura by paying , enchanting Doubling Cube.
Activate Pemmin's Aura's first ability by paying , untapping Doubling Cube.
Activate Doubling Cube by paying and tapping it, doubling your unspent mana.
Repeat from step 4.