Voltaic Construct, Viridian Joiner, and Liquimetal Torque

Prerequisites

• Voltaic Construct on the battlefield
• Viridian Joiner on the battlefield
• Liquimetal Torque on the battlefield

Steps

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

Results

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