Deeproot Pilgrimage + Progenitor Mimic + Forensic Researcher

Deeproot Pilgrimage

Progenitor Mimic

Forensic Researcher

How it works

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.