Bello, Bard of the Brambles, Ugin's Nexus, Bramble Sovereign, and Meticulous Excavation

Prerequisites

• Bello, Bard of the Brambles on the battlefield
• Ugin's Nexus in hand
• Bramble Sovereign on the battlefield
• Meticulous Excavation on the battlefield
• undefined each turn available

Steps

1. Cast Ugin's Nexus by paying
2. When Ugin's Nexus enters the battlefield as a 4/4 Elemental due to Bello, Bramble Sovereign, causing you to pay to create a token copy of Ugin's Nexus
3. Put the token Ugin's Nexus into exile due to the legend rule and its replacement effect, causing you to take an extra turn after this one
4. Activate Meticulous Excavation by paying , returning Ugin's Nexus from the battlefield to your hand
5. Repeat each turn

Results

• Infinite turns