How can you create a combo with Ghyrson Starn, Kelermorph, Nomads en-Kor, Brash Taunter, Double Major?
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[START OF COMBO]This combo can be formed with Ghyrson Starn, Kelermorph, Nomads en-Kor, Brash Taunter, Double Major

Color identity: RGWU
Mana cost: {1}{G}{U}{U}{R}
Steps:
  1. Cast Ghyrson Starn by paying {1}{U}{R}.
  2. Holding priority, cast Double Major by paying {G}{U}, copying the Ghyrson Starn spell, except it isn't legendary.
  3. Resolve both Ghyrson Starn spells, causing Ghyrson Starn to enter the battlefield and creating a nonlegendary token copy of Ghyrson Starn.
  4. Give Nomads en-Kor indestructible, if needed, and then target Nomads en-Kor with any amount of damage.
  5. Holding priority, activate Nomads en-Kor by paying {0}, causing the next 1 damage that would be dealt to it to be dealt to Brash Taunter instead.
  6. Repeat step 5 until only 1 damage will be dealt to Nomads en-Kor.
  7. Resolve the spell or ability, dealing 1 damage to Nomads en-Kor and any remaining damage to Brash Taunter.
  8. Ghyrson Starn and the Ghyrson Starn token trigger for the damage dealt to Nomads en-Kor, along with Brash Taunter. 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 {0}, 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 16, dealing 1 damage to an opponent.
  20. Holding priority, activate Nomads en-Kor by paying {0}, 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 16, dealing 1 damage to Brash Taunter and 1 damage to Nomads en-Kor.
  22. Repeat from step 16 one additional time, with the nontoken Ghyrson Starn triggering instead of the token Ghyrson Starn.
  23. Repeat from step 16.[END OF COMBO STEPS]

Result:
  - Infinite damage[END OF COMBO RESULT][END OF COMBO]

Other prerequisites:
  - Ghyrson Starn, Kelermorph must be in your hand
  - Nomads en-Kor must be on the battlefield
  - Brash Taunter must be on the battlefield
  - Double Major must be in your hand
  - You have a way to give Nomads en-Kor indestructible.
  - You have a way to target Nomads en-Kor with any amount of damage.
[END OF COMBO PREREQUISITES]
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