Voltaic Construct, Tezzeret, Betrayer of Flesh, and Bag End Banquet

Prerequisites

• Voltaic Construct on the battlefield
• Tezzeret, Betrayer of Flesh on the battlefield
• Bag End Banquet on the battlefield

Steps

1. Animate Bag End Banquet using Tezzeret, Betrayer of Flesh
2. Activate Bag End Banquet by tapping it, adding Activate Voltaic Construct by paying , untapping Bag End Banquet
3. Repeat from step 2

Results

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