Deeproot Pilgrimage + Spark Double + Forensic Researcher

Deeproot Pilgrimage

Spark Double

Forensic Researcher

How it works

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