Color Identity: U

Initial Card State
- All permanents on the battlefield.
Notable Prerequisites
- Undercover Operative on the battlefield as a copy of Forensic Researcher.
- Forensic Researcher and Undercover Operative do not have summoning sickness.
Steps
- Activate Forensic Researcher by tapping it, targeting Undercover Operative.
- Deeproot Pilgrimage triggers, creating a 1/1 Merfolk creature token.
- Resolve the Forensic Researcher ability, untapping Undercover Operative.
- Activate Undercover Operative by tapping it, targeting Forensic Researcher.
- Deeproot Pilgrimage triggers, creating a 1/1 Merfolk creature token.
- Resolve the Undercover Operative ability, untapping Forensic Researcher.
- Repeat.
Results
- Infinite ETB.
- Infinite creature tokens.
Bracket Tag
This combo has been estimated to be Exhibition (Bracket 1+).