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

Prerequisites

• Formidable Speaker on the battlefield
• Wirewood Lodge on the battlefield
• Candelabra of Tawnos 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 Candelabra of Tawnos 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 Candelabra of Tawnos
5. Repeat

Results

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