Voltaic Construct, Rise and Shine, and Dreamstone Hedron

Prerequisites

• Voltaic Construct on the battlefield
• Rise and Shine in hand
• Dreamstone Hedron on the battlefield
• available

Steps

1. Animate Dreamstone Hedron using Rise and Shine
2. Activate Dreamstone Hedron by tapping it, adding
3. Activate Voltaic Construct by paying , untapping Dreamstone Hedron
4. Repeat from step 2

Results

• Infinite colorless mana
• Infinite mana artifacts you control can produce
• Infinite untap of artifacts you control