Doubling Cube + Karn, the Great Creator + Sword of the Paruns

Mana needed: {11}

C identity

Commander legal

The 3 combo pieces

What must be in place

Doubling Cube does not have summoning sickness.

How to execute it

  1. Float at least {11} in your mana pool.
  2. Activate Doubling Cube by paying {3} and tapping it, adding at least {8}.
  3. Activate Karn's first loyalty ability by putting a loyalty counter on it, causing Doubling Cube to become an artifact creature until end of turn.
  4. Activate Sword of the Paruns' equip ability by paying {3}, attaching it to Doubling Cube.
  5. Activate Sword of the Paruns by paying {3}, untapping Doubling Cube.
  6. Activate Doubling Cube by paying {3} and tapping it, adding at least {7}.
  7. Repeat from step 5.

What the combo produces