How can you create a combo with Archfiend of the Dross, Heartless Act, Switcheroo?
user
[START OF COMBO]This combo can be formed with Archfiend of the Dross, Heartless Act, Switcheroo

Color identity: UB
Mana cost: {5}{U}{B}
Steps:
  1. Cast Heartless Act by paying {1}{B}, removing up to three oil counters from Archfiend of the Dross.
  2. Cast Switcheroo by paying {4}{U}, exchanging control of Archfiend of the Dross and a creature with an opponent.
  3. At the beginning of the opponent's next upkeep, Archfiend of the Dross triggers, causing the opponent to remove an oil counter from it 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
  - Heartless Act must be in your hand
  - Switcheroo must be in your hand
  - An opponent controls a creature.
  - Archfiend of the Dross has no more than four oil counters on it.
[END OF COMBO PREREQUISITES]
assistant