The Enigma Jewel // Locus of Enlightenment, Voltaic Key, and Sisay's Ring

Prerequisites

• The Enigma Jewel // Locus of Enlightenment on the battlefield
• Voltaic Key on the battlefield
• Sisay's Ring on the battlefield

Steps

1. Activate Sisay's Ring by tapping it, adding
2. Activate Voltaic Key by paying and tapping it, targeting Sisay's Ring
3. Locus of Enlightenment triggers, copying Voltaic Key's ability, targeting Voltaic Key
4. Resolve both Voltaic Key abilities, untapping it and Sisay's Ring
5. Repeat

Results

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