Arc Reactor + Voltaic Construct + Workshop Elders

U identity

Commander legal

The 3 combo pieces

• Arc Reactor
• Voltaic Construct
• Workshop Elders

How to execute it

1. Animate Arc Reactor using Workshop Elders.
2. Activate Arc Reactor by tapping it, adding {C}{C}{C}
3. Activate Voltaic Construct by paying {2}, untapping Arc Reactor.
4. Repeat from step 2.

What the combo produces

• Infinite colorless mana
• Infinite untap of artifact creatures you control