Requires

Zacama, Primal Calamity must be in hand, or in the command zone. Panharmonicon must be on the battlefield. Horned Kavu must be in hand. Lands you control can tap to produce at least . Mana needed: plus enough mana to pay for commander tax, if applicable

Steps

1. Activate all mana-producing lands you control by tapping them, adding at least .
2. Cast Zacama either from your hand or from the command zone by paying plus commander tax, if applicable.
3. When Zacama enters the battlefield, it triggers twice.
4. Resolve the first trigger, untapping all lands you control.
5. Activate all mana-producing lands you control by tapping them, adding at least .
6. Resolve the second Zacama trigger, untapping all lands you control.
7. Cast Horned Kavu by paying .
8. When Horned Kavu enters the battlefield, it triggers twice, returning itself and Zacama from the battlefield to your hand.
9. Repeat.
10. Once you have infinite mana, you may use it to activate Zacama's other abilities.

Results