How can you create a combo with Kels, Fight Fixer, Nether Traitor, Pawn of Ulamog, Phyrexian Altar, Thassa's Oracle?
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[START OF COMBO]This combo can be formed with Kels, Fight Fixer, Nether Traitor, Pawn of Ulamog, Phyrexian Altar, Thassa's Oracle

Color identity: UB
Mana cost: 
Steps:
  1. Activate Phyrexian Altar by sacrificing Nether Traitor, adding {B}.
  2. Kels and Pawn of Ulamog trigger.
  3. Resolve the Kels trigger, choosing not to pay.
  4. Resolve the Pawn of Ulamog trigger, creating a 0/1 Eldrazi Spawn creature token.
  5. Activate Phyrexian Altar by sacrificing the Eldrazi Spawn, adding {U/B}.
  6. Kels and Nether Traitor trigger.
  7. Resolve the Kels trigger, causing you to pay {U/B} to draw a card.
  8. Resolve the Nether Traitor trigger, causing you to pay {B} to return it from your graveyard to the battlefield.
  9. Repeat until you have an empty library.
  10. Cast Thassa's Oracle by paying {U}{U}.
  11. Thassa's Oracle enters the battlefield, causing you to win the game.[END OF COMBO STEPS]

Result:
  - Infinite card draw
  - Infinite colored mana
  - Infinite colorless mana
  - Infinite death triggers
  - Infinite draw triggers
  - Infinite enters the battlefield
  - Infinite leaves the battlefield
  - Infinite sacrifice triggers
  - Win the game[END OF COMBO RESULT][END OF COMBO]

Other prerequisites:
  - Kels, Fight Fixer must be on the battlefield
  - Nether Traitor must be on the battlefield
  - Pawn of Ulamog must be on the battlefield
  - Phyrexian Altar must be on the battlefield
  - Thassa's Oracle must be in your hand or in the library
[END OF COMBO PREREQUISITES]
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