Deeproot Pilgrimage + Quicksilver Gargantuan + Forensic Researcher

Deeproot Pilgrimage

Quicksilver Gargantuan

Forensic Researcher

How it works

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