Color Identity: U

Initial Card State
- All permanents on the battlefield (Forensic Researcher without summoning sickness).
Mana Needed
- ({2} magic symbol)
({U} magic symbol)
each turn available.
Steps
- Activate Magosi's second activated ability by paying ({U} magic symbol)
and tapping it. - Rings of Brighthearth triggers. Choose not to pay.
- Resolve the Magosi ability, putting an eon counter on it and skipping your next turn.
- Activate Forensic Researcher by tapping it, targeting Magosi.
- Rings of Brighthearth triggers. Choose not to pay.
- Resolve the Forensic Researcher ability, untapping Magosi.
- Activate Magosi's third activated ability by tapping it, removing an eon counter from it, and returning it to your hand.
- Rings of Brighthearth triggers, causing you to pay ({2} magic symbol)
to copy Magosi's ability. - Resolve both instances of Magosi's ability, causing you to take two extra turns after this one.
- Play Magosi.
- Move to your second extra turn. The first extra turn will be skipped due to the ability activated in step 1.
- Repeat.
Bracket Tag
This combo has been estimated to be Ruthless (Bracket 4+).