The Enigma Jewel // Locus of Enlightenment, Voltaic Key, and Mana Crypt

Prerequisites

• The Enigma Jewel // Locus of Enlightenment on the battlefield
• Voltaic Key on the battlefield
• Mana Crypt on the battlefield

Steps

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

Results

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