Agatha's Soul Cauldron + Crystalline Crawler + Myojin of Towering Might + Tekuthal, Inquiry Dominus

GU identity

Commander legal

The 4 combo pieces

What must be in place

Tekuthal has at least one indestructible counter on it, and at least one +1/+1 counter on it.

How to execute it

  1. Activate Tekuthal using Myojin of Towering Might's ability by removing an indestructible counter from it, putting six +1/+1 counters on Crystalline Crawler, and two +1/+1 counters on any creature you control.
  2. Activate Crystalline Crawler's first ability three times by removing three +1/+1 counters from it, adding {3}.
  3. Activate Tekuthal by paying {3} and removing three +1/+1 counters from Crystalline Crawler, putting an indestructible counter on it.
  4. Repeat.

What the combo produces