Voltaic Construct, The Blackstaff of Waterdeep, and Empowered Autogenerator

Prerequisites

• Voltaic Construct on the battlefield
• The Blackstaff of Waterdeep on the battlefield
• Empowered Autogenerator on the battlefield
• Empowered Autogenerator does not have summoning sickness and has at least three charge counters on it

Steps

1. Activate Empowered Autogenerator by tapping it, putting a charge counter on it and adding at least
2. Activate The Blackstaff of Waterdeep by paying and tapping it, causing Empowered Autogenerator to become an artifact creature until end of turn
3. Activate Voltaic Construct by paying , untapping Empowered Autogenerator
4. Activate Empowered Autogenerator by tapping it, putting a charge counter on it and adding at least five mana of any color
5. Repeat from step 3

Results

• Infinite charge counters on Empowered Autogenerator
• Infinite colored mana
• Infinite untap of artifact creatures you control