Voltaic Construct, Tezzeret, Betrayer of Flesh, and Sceptre of Eternal Glory

Prerequisites

• Voltaic Construct on the battlefield
• Tezzeret, Betrayer of Flesh on the battlefield
• Sceptre of Eternal Glory on the battlefield

Steps

1. Animate Sceptre of Eternal Glory using Tezzeret, Betrayer of Flesh
2. Activate Sceptre of Eternal Glory by tapping it, adding three mana of any color Activate Voltaic Construct by paying , untapping Sceptre of Eternal Glory
3. Repeat from step 2

Results

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