Archfiend of the Dross + Heartless Act + Switcheroo

Mana needed: {5}{U}{B}

UB identity

Commander legal

The 3 combo pieces

What must be in place

An opponent controls a creature.
Archfiend of the Dross has no more than four oil counters on it.

How to execute it

  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.

What the combo produces