The Enigma Jewel // Locus of Enlightenment, Deserted Temple, and Boros Garrison

Prerequisites

• The Enigma Jewel // Locus of Enlightenment on the battlefield
• Deserted Temple on the battlefield
• Boros Garrison on the battlefield

Steps

1. Activate Boros Garrison by tapping it, adding
2. Activate Deserted Temple's second ability by paying and tapping it, targeting itself
3. Locus of Enlightenment triggers, copying Deserted Temple's ability, targeting Boros Garrison
4. Resolve both Deserted Temple abilities, untapping it and Boros Garrison
5. Repeat

Results

• Infinite untap of lands you control
• Infinite mana lands you control can produce
• Infinite red mana
• Infinite white mana