Ghyrson Starn, Kelermorph, Nomads en-Kor, Brash Taunter, and Cadric, Soul Kindler

Prerequisites

• Ghyrson Starn, Kelermorph in hand
• Nomads en-Kor on the battlefield
• Brash Taunter on the battlefield
• Cadric, Soul Kindler on the battlefield
• You have a way to give Nomads en-Kor indestructible
• You have a way to target Nomads en-Kor with any amount of damage
• 
• available

Steps

1. Cast Ghyrson Starn by paying
2. When Ghyrson Starn enters the battlefield, Cadric triggers, causing you to pay to create a nonlegendary token copy of Ghyrson Starn
3. Give Nomads en-Kor indestructible, if needed, and then target Nomads en-Kor with any amount of damage
4. Holding priority, activate Nomads en-Kor by paying , causing the next 1 damage that would be dealt to it to be dealt to Brash Taunter instead
5. Repeat step 4 until only 1 damage will be dealt to Nomads en-Kor
6. Resolve the spell or ability, dealing 1 damage to Nomads en-Kor and any remaining damage to Brash Taunter
7. Ghyrson Starn and the Ghyrson Starn token trigger for the damage dealt to Nomads en-Kor, along with Brash Taunter
8. Ghyrson Starn and the Ghyrson Starn token also trigger for the damage dealt to Brash Taunter if exactly 1 damage was dealt to it
9. Resolve the Brash Taunter trigger, dealing at least 1 damage to an opponent
10. Resolve both Ghyrson Starn token triggers, dealing 2 damage to Nomads en-Kor, and 2 damage to Brash Taunter, if applicable
11. If Brash Taunter was dealt damage, it triggers, dealing 2 damage to an opponent
12. Resolve the Ghyrson Starn trigger from damage dealt to Brash Taunter, if applicable, dealing 2 damage to Brash Taunter
13. If Brash Taunter was dealt damage, it triggers, dealing 2 damage to an opponent
14. Holding priority, activate Nomads en-Kor by paying , causing the next 1 damage that would be dealt to it to be dealt to Brash Taunter instead
15. Resolve the Ghyrson Starn trigger from damage dealt to Nomads en-Kor, dealing 1 damage to Nomads en-Kor and 1 damage to Brash Taunter
16. The Ghyrson Starn token triggers twice, and Brash Taunter triggers once
17. Resolve the Ghyrson Starn token trigger from damage dealt to Brash Taunter, dealing 2 damage to Brash Taunter
18. Brash Taunter triggers, dealing 2 damage to an opponent
19. Resolve the Brash Taunter trigger from step 15, dealing 1 damage to an opponent
20. Holding priority, activate Nomads en-Kor by paying , causing the next 1 damage that would be dealt to it to be dealt to Brash Taunter instead
21. Resolve the Ghyrson Starn token trigger from damage dealt to Nomads en-Kor in step 15, dealing 1 damage to Brash Taunter and 1 damage to Nomads en-Kor
22. Repeat from step 15 one additional time, with the nontoken Ghyrson Starn triggering instead of the token Ghyrson Starn
23. Repeat from step 15

Results

• Infinite damage