Arc Reactor + March of the Machines + Voltaic Construct

U identity

Commander legal

The 3 combo pieces

• Arc Reactor
• March of the Machines
• Voltaic Construct

How to execute it

1. Activate Arc Reactor by tapping it, adding {C}{C}{C}
2. Activate Voltaic Construct by paying {2}, untapping Arc Reactor.
3. Repeat

What the combo produces

• Infinite colorless mana
• Infinite mana artifacts you control can produce
• Infinite untap of artifacts you control