Etali, Primal Conqueror // Etali, Primal Sickness + Hua Tuo, Honored Physician + Thornbite Staff + Altar of Dementia Combo

Etali in hand or in the command zone.

All other permanents on the battlefield.

Hua Tuo does not have summoning sickness. Thornbite Staff attached to Hua Tuo.

available

Cast Etali by paying and paying any commander tax if relevant.

When Etali enters the battlefield, it triggers.

Holding priority, activate Altar of Dementia by sacrificing Etali.

If Etali is your commander, choose not to return it to the command zone from your graveyard.

When Etali dies, Hua Tuo triggers, untapping Hua Tuo.

Resolve the Altar of Dementia ability from Step 3.

Activate Hua Tuo by tapping it, putting Etali on top of your library from your graveyard.

Resolve the Etali trigger from step 2, causing you to exile cards from each player's library until you exile a nonland card, with you exiling Etali from your library.

Cast Etali and any other nonland cards exiled this way without paying their mana costs.

Repeat from Step 2.

Cast any number of spells from opponents' libraries

Exile each opponent's library

Infinite creature ETB

Infinite creature LTB

Infinite death triggers

Infinite mill

Infinite creature sacrifice triggers

Infinite self-mill

Infinite storm count

Significant magecraft triggers