Archfiend of the Dross + Exchange of Words

Mana needed: {1}{U}{U}

UB identity

Commander legal

The 2 combo pieces

• Archfiend of the Dross
• Exchange of Words

What must be in place

An opponent controls a creature with less than two oil counters.

How to execute it

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.

What the combo produces

• Target opponent loses the game at the beginning of their next upkeep