Agatha's Soul Cauldron + Brimstone Trebuchet + Kiki-Jiki, Mirror Breaker

R identity

Commander legal

The 3 combo pieces

What must be in place

Brimstone Trebuchet has at least one +1/+1 counter on it and does not have summoning sickness.
You control a nonlegendary Knight.

How to execute it

  1. Activate Brimstone Trebuchet using Kiki-Jiki's ability by tapping it, creating a token copy of any nonlegendary Knight you control with haste.
  2. When the Knight token enters the battlefield, Brimstone Trebuchet triggers, untapping itself.
  3. Repeat.

What the combo produces