Toph, the First Metalbender, Ugin's Nexus, Meticulous Excavation, and Carrion Feeder

Prerequisites

• Toph, the First Metalbender on the battlefield
• Ugin's Nexus in hand
• Meticulous Excavation on the battlefield
• Carrion Feeder on the battlefield
• each turn available

Steps

1. Cast Ugin's Nexus by paying
2. At the beginning of your end step, Toph triggers, causing Ugin's Nexus to become an artifact land creature
3. Activate Carrion Feeder by sacrificing Ugin's Nexus
4. Ugin's Nexus is exiled instead of being put into your graveyard, causing you to take an extra turn after this one
5. Toph triggers, returning Ugin's Nexus from exile to the battlefield
6. Resolve the Carrion Feeder ability
7. Activate Meticulous Excavation by paying , returning Ugin's Nexus from the battlefield to your hand
8. Repeat each turn

Results

• Infinite turns