Voltaic Construct, The Legend of Kyoshi // Avatar Kyoshi, and Neurok Transmuter

Prerequisites

• Voltaic Construct on the battlefield
• The Legend of Kyoshi // Avatar Kyoshi on the battlefield
• Neurok Transmuter on the battlefield

Steps

1. Activate Avatar Kyoshi by tapping it, adding at least
2. Activate Neurok Transmuter by paying , causing Avatar Kyoshi to become an artifact until end of turn
3. Activate Voltaic Construct by paying , untapping Avatar Kyoshi
4. Activate Avatar Kyoshi by tapping it, adding at least five mana of any color
5. Repeat from step 3

Results

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