Deeproot Pilgrimage + Forensic Researcher + Progenitor Mimic

GU identity

Commander legal

The 3 combo pieces

What must be in place

Progenitor Mimic on the battlefield as a copy of Forensic Researcher.
Forensic Researcher and Progenitor Mimic do not have summoning sickness.

How to execute it

  1. Activate Forensic Researcher by tapping it, targeting Progenitor Mimic.
  2. Deeproot Pilgrimage triggers, creating a 1/1 Merfolk creature token.
  3. Resolve the Forensic Researcher ability, untapping Progenitor Mimic.
  4. Activate Progenitor Mimic by tapping it, targeting Forensic Researcher.
  5. Deeproot Pilgrimage triggers, creating a 1/1 Merfolk creature token.
  6. Resolve the Progenitor Mimic ability, untapping Forensic Researcher.
  7. Repeat.

What the combo produces