Color Identity: U

Initial Card State
- Hidden Strings in hand.
- Narset's Reversal in exile (exiled by Isochron Scepter).
- Isochron Scepter and Chromatic Orrery on the battlefield.
Steps
- Activate Chromatic Orrery's first ability by tapping it, adding ({5} magic symbol)
. - Cast HIdden Strings by paying ({2} magic symbol)
, targeting any two applicable targets. - Activate Isochron Scepter by paying ({2} magic symbol)
and tapping it, casting a copy of Narset's Reversal without paying its mana cost. - Resolve Narset's Reversal, returning Hidden Strings to your hand and creating a copy of it, targeting Isochron Scepter and Chromatic Orrery.
- Resolve the copy of Hidden Strings, untapping Isochron Scepter and Chromatic Orrery.
- Repeat.
- Once you have infinite mana, you may use Chromatic Orrery's second ability if you control a colored permanent and/or untap any other permanent(s) you control.
Results
- Infinite card draw.
- Infinite colored mana.
- Infinite colorless mana.
- Infinite draw triggers.
- Infinite magecraft triggers.
- Infinite mana permanents you control can produce.
- Infinite storm count.
Bracket Tag
This combo has been estimated to be Exhibition (Bracket 1+).