Formidable Speaker, Wirewood Lodge, Magus of the Candelabra, and Nykthos, Shrine to Nyx

Prerequisites

• Formidable Speaker on the battlefield
• Wirewood Lodge on the battlefield
• Magus of the Candelabra on the battlefield
• Nykthos, Shrine to Nyx on the battlefield

Steps

1. Activate Nykthos, Shrine to Nyx by paying and tapping it, adding at least seven
2. Activate Magus of the Candelabra by paying and tapping it, untapping Nykthos, Shrine to Nyx 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 mana lands you control can produce
• Infinite untap of lands you control