Voltaic Construct, Priest of Titania, and Liquimetal Torque

Prerequisites

• Voltaic Construct on the battlefield
• Priest of Titania on the battlefield
• Liquimetal Torque on the battlefield

Steps

1. Cause Priest of Titania to become an artifact using Liquimetal Torque
2. Activate Priest of Titania by tapping it, adding at least
3. Activate Voltaic Construct by paying , untapping Priest of Titania
4. Repeat from step 2

Results

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