Voltaic Construct, Priest of Titania, and Thran Forge

Prerequisites

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

Steps

1. Activate Thran Forge by paying , giving Priest of Titania +1/+0 and making it into an artifact creature
2. Tap Priest of Titania for
3. Activate Voltaic Construct by paying , untapping Priest of Titania
4. Repeat from step 2

Results

• Infinite green mana
• Infinite untap of creatures