Agatha's Soul Cauldron + Deeproot Pilgrimage + Tidewater Minion

U identity

Commander legal

The 3 combo pieces

How to execute it

  1. Activate the nontoken Merfolk using Tidewater Minion's ability by tapping it.
  2. Deeproot Pilgrimage triggers, creating a 1/1 Merfolk creature token.
  3. Resolve the Merfolk's ability, untapping it.
  4. Repeat.

What the combo produces