How can you create a combo with Archfiend of the Dross, Exchange of Words?
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[START OF COMBO]This combo can be formed with Archfiend of the Dross, Exchange of Words

Color identity: UB
Mana cost: {1}{U}{U}
Steps:
  1. Cast Exchange of Words by paying {1}{U}{U}.
  2. Exchange of Words enters the battlefield, swapping the text boxes of Archfiend of the Dross and an opposing creature that does not have more than one oil counter on it.
  3. At the beginning of the opposing creature's controller's next upkeep, their creature triggers, causing them to remove an oil counter from that creature and lose the game.[END OF COMBO STEPS]

Result:
  - Target opponent loses the game at the beginning of their next upkeep[END OF COMBO RESULT][END OF COMBO]

Other prerequisites:
  - Archfiend of the Dross must be on the battlefield
  - Exchange of Words must be in your hand
  - An opponent controls a creature with less than two oil counters.
[END OF COMBO PREREQUISITES]
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