Bello, Bard of the Brambles, Voltaic Construct, Sisay's Ring, and Badgermole Cub

Prerequisites

• Bello, Bard of the Brambles on the battlefield
• Voltaic Construct on the battlefield
• Sisay's Ring on the battlefield
• Badgermole Cub on the battlefield

Steps

1. Activate Sisay's Ring by tapping it, adding two mana
2. Badgermole Cub triggers, adding at least one additional mana
3. Activate Voltaic Construct by paying , untapping Sisay's Ring which is an artifact creature due to Bello
4. Repeat any number of times

Results

• Infinite mana artifact creatures you control can produce
• Infinite mana most artifacts you control can produce
• Infinite colorless mana
• Infinite mana artifacts you control can produce
• Infinite untap of artifacts you control