Voltaic Construct, Priest of Titania, and Encroaching Mycosynth

Prerequisites

• Voltaic Construct on the battlefield
• Priest of Titania on the battlefield
• Encroaching Mycosynth on the battlefield
• Priest of Titania does not have summoning sickness
• You control at least three Elves

Steps

1. Activate Priest of Titania by tapping it, adding
2. Activate Voltaic Construct by paying , untapping Priest of Titania
3. Repeat

Results

• Infinite mana creatures you control can produce
• Infinite untap of creatures you control