Deeproot Pilgrimage + Dack's Duplicate + Forensic Researcher

Deeproot Pilgrimage

Dack's Duplicate

Forensic Researcher

How it works

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