Agatha's Soul Cauldron + Deathbringer Thoctar + Ob Nixilis, Captive Kingpin

BR identity

Commander legal

The 3 combo pieces

What must be in place

Ob Nixilis has at least one +1/+1 counter on it.

How to execute it

  1. Activate Ob Nixilis using Deathbringer Thoctar's ability by removing a +1/+1 counter from it, dealing 1 damage to an opponent.
  2. Ob Nixilis triggers, putting a +1/+1 counter on itself and exiling the top card of your library.
  3. Repeat.

What the combo produces