Agatha's Soul Cauldron + Captivating Crew + Khârn the Betrayer + Witch Engine

BR identity

Commander legal

The 4 combo pieces

What must be in place

Khârn has a +1/+1 counter on it and does not have summoning sickness.

How to execute it

  1. Activate Khârn using Witch Engine's ability by tapping it, adding {B}{B}{B}{B} and causing an opponent to gain control of Khârn.
  2. Khârn triggers, causing you to draw two cards.
  3. Activate Captivating Crew by paying {4}, causing you to gain control of Khârn.
  4. Khârn triggers, causing the opponent who controlled it to draw two cards.
  5. Repeat.

What the combo produces