Zacama, Primal Calamity + Panharmonicon + Whitemane Lion Combo

Panharmonicon on the battlefield.

Whitemane Lion in hand.

Zacama in hand or in the command zone.

Lands you control can tap to produce at least . Lands you control tap for at least plus half the cost of your self-bouncing creature.

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

Activate all mana-producing lands you control can tapping them, adding at least .

Cast Zacama either from your hand or from the command zone by paying and commander tax, if applicable.

Zacama enters the battlefield, triggering its ability twice.

Resolve the first Zacama trigger, untapping all lands you control.

Activate all mana-producing lands you control can tapping them, adding at least .

Resolve the second Zacama trigger, untapping all lands you control.

Cast Whitemane Lion by paying .

Whitemane Lion enters the battlefield, triggering its ability twice, returning itself and Zacama from the battlefield to your hand.

Repeat.

Activate all mana-producing lands you control by tapping them.

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

When Zacama enters, its ability triggers twice through Panharmonicon.

Resolve the first Zacama trigger, untapping all lands you control.

Activate all mana-producing lands you control by tapping them.

Resolve the second Zacama trigger, untapping all lands you control.

Cast Whitemane Lion by paying its mana cost.

When Whitemane Lion enters, its ability triggers twice, causing you to return itself and Zacama to your hand.

Repeat.

Destroy all artifacts and enchantments opponents control

Infinite damage to creatures

Infinite creature ETB

Infinite lifegain

Infinite lifegain triggers

Infinite creature LTB

Infinite mana lands you control can produce

Infinite storm count