Drafna, Founder of Lat-Nam, and Ugin's Nexus

Prerequisites

• Drafna, Founder of Lat-Nam on the battlefield
• Ugin's Nexus in hand
• Drafna does not have summoning sickness
• each turn available

Steps

1. Cast Ugin's Nexus by paying
2. Holding priority, activate Drafna's second ability by paying and tapping it, copying the Ugin's Nexus spell
3. resolve both Ugin's Nexus spells
4. Put the token Ugin's Nexus into exile due to legend rule, causing you to take an extra turn after this one
5. Activate Drafna's first ability by paying , returning Ugin's Nexus from the battlefield to your hand
6. Repeat each turn

Results

• Infinite turns