March of the Machines + The Eternity Elevator + Voltaic Construct

U identity

Commander legal

The 3 combo pieces

• March of the Machines
• The Eternity Elevator
• Voltaic Construct

How to execute it

1. Activate The Eternity Elevator by tapping it, adding {C}{C}{C}.
2. Activate Voltaic Construct by paying {2}, untapping The Eternity Elevator.
3. Repeat.

What the combo produces

• Infinite colored mana
• Infinite colorless mana
• Infinite untap of artifacts you control