Voltaic Construct, March of the Machines, and Arc Reactor

Prerequisites

• Voltaic Construct on the battlefield
• March of the Machines on the battlefield
• Arc Reactor on the battlefield

Steps

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

Results

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