Etali, Primal Conqueror // Etali, Primal Sickness + Hua Tuo, Honored Physician + Thornbite Staff + Ashnod's Altar Combo

Etali in hand or in the command zone.

All other permanents on the battlefield.

It is your precombat main phase. Hua Tuo does not have summoning sickness. Thornbite Staff attached to Hua Tuo.

plus enough mana to pay for commander tax, if applicable available

Cast Etali from your hand or from the command zone by paying plus commander tax, if applicable.

When Etali enters the battlefield, it triggers.

Holding priority, activate Ashnod's Altar by sacrificing Etali, adding .

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.

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, and 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 colorless mana

Infinite death triggers

Infinite creature ETB

Infinite creature LTB

Infinite creature sacrifice triggers

Infinite storm count

Significant magecraft triggers