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

Prerequisites

• Karn, the Great Creator on the battlefield
• Doubling Cube on the battlefield
• Sword of the Paruns on the battlefield
• undefined available

Steps

1. Float at least in your mana pool
2. Activate Doubling Cube by paying and tapping it, adding at least
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 , attaching it to Doubling Cube
5. Activate Sword of the Paruns by paying , untapping Doubling Cube
6. Activate Doubling Cube by paying and tapping it, adding at least
7. Repeat from step 5

Results

• Infinite mana permanents you control can produce
• Infinite untap of creatures you control
• Infinite mana creatures you control can produce