Dack's Duplicate + Deeproot Pilgrimage + Forensic Researcher

UR identity

Commander legal

The 3 combo pieces

What must be in place

Dack's Duplicate on the battlefield as a copy of Forensic Researcher.
Forensic Researcher and Dack's Duplicate do not have summoning sickness.

How to execute it

  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.

What the combo produces