Voltaic Construct, Does Machines, and Empowered Autogenerator

Prerequisites

• Voltaic Construct on the battlefield
• Does Machines on the battlefield
• Empowered Autogenerator on the battlefield
• if Empowered Autogenerator doesn't have a charge counter on it available

Steps

1. Animate Empowered Autogenerator using Does Machines
2. Activate Empowered Autogenerator by tapping it, putting a charge counter on it and adding one mana of any color for each charge counter on it
3. Activate Voltaic Construct by paying , untapping Empowered Autogenerator
4. Repeat from step 2

Results

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