Activate Kaho by paying {7} and tapping it, casting Nexus of Fate from exile without paying its mana cost.
Resolve Nexus of Fate, taking an extra turn after this one and shuffling it into your library.
At the beginning of your end step, Conjurer's Closet triggers, blinking Kaho.
Kaho enters the battlefield, searching your library for Nexus of Fate and exiling it.
Repeat each turn.

Infinite turns

Lock

Kaho, Minamo Historian

Nexus of Fate

Conjurer's Closet

Activate Kaho by paying {7} and tapping it, casting Nexus of Fate from exile without paying its mana cost.
Resolve Nexus of Fate, taking an extra turn after this one and shuffling it into your library.
At the beginning of your end step, Thassa triggers, blinking Kaho.
Kaho enters the battlefield, searching your library for Nexus of Fate and exiling it.
Repeat each turn.

Thassa, Deep-Dwelling

Activate Kaho by paying {7} and tapping it, casting Nexus of Fate from exile without paying its mana cost.
Resolve Nexus of Fate, taking an extra turn after this one and shuffling it into your library.
At the beginning of your end step, Teleportation Circle triggers, blinking Kaho.
Kaho enters the battlefield, searching your library for Nexus of Fate and exiling it.
Repeat each turn.

Teleportation Circle

Activate Kaho by paying {7} and tapping it, casting Nexus of Fate from exile without paying its mana cost.
Resolve Nexus of Fate, taking an extra turn after this one and shuffling it into your library.
At the beginning of your end step, Soulherder triggers, blinking Kaho.
Soulherder triggers, putting a +1/+1 counter on itself.
Kaho enters the battlefield, searching your library for Nexus of Fate and exiling it.
Repeat each turn.

Combos with "Kaho, Minamo Historian"