Stonespeaker Crystal + The Enigma Jewel // Locus of Enlightenment + Voltaic Key

U identity

Commander legal

The 3 combo pieces

• Stonespeaker Crystal
• The Enigma Jewel // Locus of Enlightenment
• Voltaic Key

How to execute it

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

What the combo produces

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