Zacama, Primal Calamity, Enduring Renewal, and Phyrexian Altar

Prerequisites

• Zacama, Primal Calamity on the battlefield
• Enduring Renewal on the battlefield
• Phyrexian Altar on the battlefield
• Lands you control can tap to produce at least

Steps

1. Activate all mana-producing lands you control by tapping them, adding at least
2. Activate Phyrexian Altar by sacrificing Zacama, adding one mana of any color
3. Zacama dies, triggering Enduring Renewal, returning Zacama to your hand from your graveyard
4. Cast Zacama by paying
5. Zacama triggers, untapping all lands you control
6. Repeat
7. Once you have infinite mana, you may use it to activate Zacama's abilities

Results

• Infinite colored mana
• Infinite damage to creatures
• Infinite death triggers
• Infinite ETB
• Infinite lifegain
• Infinite lifegain triggers
• Infinite LTB
• Infinite mill
• Infinite sacrifice triggers
• Infinite self-mill
• Infinite storm count