Cast Tevesh Szat by paying {4}{B}, plus commander tax (if applicable).
Tevesh Szat enters the battlefield with eight loyalty counters due to Doubling Season.
Norn's Choirmaster triggers, proliferating, putting two loyalty counters on Tevesh Szat.
Activate Tevesh Szat's last loyalty ability by removing ten loyalty counters from it, choosing to put it into the command zone.
Resolve the ability, putting Tevesh Szat and all other commanders from the command zone onto the battlefield and gaining control of all commanders.
Norn's Choirmaster triggers at least once, proliferating at least once; choose to put exactly two loyalty counters on Tevesh Szat.
Repeat from step 4.

Gain control of all commanders

Infinite proliferate

Put all commanders from the command zone onto the battlefield

Tevesh Szat, Doom of Fools

Sidar Kondo of Jamuraa

Norn's Choirmaster

Doubling Season

Cast Tevesh Szat by paying {4}{B}, plus commander tax (if applicable).
Tevesh Szat enters the battlefield with eight loyalty counters due to Vorinclex.
Norn's Choirmaster triggers, proliferating, putting two loyalty counters on Tevesh Szat.
Activate Tevesh Szat's last loyalty ability by removing ten loyalty counters from it, choosing to put it into the command zone.
Resolve the ability, putting Tevesh Szat and all other commanders from the command zone onto the battlefield and gaining control of all commanders.
Norn's Choirmaster triggers at least once, proliferating at least once; choose to put exactly two loyalty counters on Tevesh Szat.
Repeat from step 4.

Vorinclex, Monstrous Raider

Cast Dargo from the command zone by paying {R}.
When Dargo enters the battlefield, Juniper Order Ranger triggers, putting a +1/+1 counter on it and Dargo.
Activate Dargo using Wild Cantor's ability by sacrificing it, adding {R}.
Choose to return Dargo from your graveyard to the command zone.
Repeat.

Infinite LTB

Infinite ETB

Infinite sacrifice triggers

Infinite death triggers

Infinite storm count

Infinite +1/+1 counters on Juniper Order Ranger

Infinite commander casts

Dargo, the Shipwrecker

Juniper Order Ranger

Agatha's Soul Cauldron

Wild Cantor

Cast Dargo from the command zone by paying {R}.
When Dargo enters the battlefield, Good-Fortune Unicorn triggers, putting a +1/+1 counter on Dargo.
Activate Dargo using Wild Cantor's ability by sacrificing it, adding {R}.
Choose to return Dargo from your graveyard to the command zone.
Repeat.

Good-Fortune Unicorn

Cast Dargo from the command zone by paying {R}.
When Dargo enters the battlefield, Cathars' Crusade triggers, putting a +1/+1 counter on each creature you control.
Activate Dargo using Wild Cantor's ability by sacrificing it, adding {R}.
Choose to return Dargo from your graveyard to the command zone.
Repeat.

Infinite +1/+1 counters

Cathars' Crusade

Activate Altar of Dementia by sacrificing Sakashima.
Choose to put Sakashima into the command zone from your graveyard.
Next of Kin triggers, putting Sakashima from the command zone onto the battlefield as a copy of Boonweaver Giant.
Sakashima enters the battlefield, returning Next of Kin from your graveyard to the battlefield attached to Sakashima.
Resolve the Altar of Dementia ability from step 1, causing target player to mill cards equal to Sakashima's power.
Repeat.

Infinite mill

Infinite self-mill

Sakashima of a Thousand Faces

Boonweaver Giant

Next of Kin

Altar of Dementia

Activate Ashnod's Altar by sacrificing Sakashima, adding {C}{C}.
Choose to put Sakashima into the command zone from your graveyard.
Next of Kin triggers, putting Sakashima from the command zone onto the battlefield as a copy of Boonweaver Giant.
Sakashima enters the battlefield, returning Next of Kin from your graveyard to the battlefield attached to Sakashima.
Repeat.

Infinite colorless mana

Ashnod's Altar

Activate Phyrexian Altar by sacrificing Sakashima, adding one mana of any color.
Choose to put Sakashima into the command zone from your graveyard.
Next of Kin triggers, putting Sakashima from the command zone onto the battlefield as a copy of Boonweaver Giant.
Sakashima enters the battlefield, returning Next of Kin from your graveyard to the battlefield attached to Sakashima.
Repeat.

Infinite colored mana

Phyrexian Altar

Combos with "Sidar Kondo of Jamuraa"