Formidable Speaker, Wirewood Lodge, Magus of the Candelabra, and Matzalantli, the Great Door // The Core

Prerequisites

• Formidable Speaker on the battlefield
• Wirewood Lodge on the battlefield
• Magus of the Candelabra on the battlefield
• Matzalantli, the Great Door // The Core on the battlefield

Steps

1. Activate The Core by tapping it, adding at least
2. Activate Magus of the Candelabra by paying and tapping it, untapping The Core and Wirewood Lodge
3. Activate Wirewood Lodge's second ability by paying and tapping it, untapping Formidable Speaker
4. Activate Formidable Speaker by paying and tapping it, untapping Magus of the Candelabra
5. Repeat

Results

• Infinite colored mana
• Infinite mana lands you control can produce
• Infinite untap of lands you control