Karakas, and Zacama, Primal Calamity

Prerequisites

• Karakas on the battlefield
• Zacama, Primal Calamity on the battlefield
• from other lands available

Steps

1. Tap Karakas targeting Zacama to return Zacama to your hand
2. Tap your lands for at least Cast Zacama
3. Zacama enters the battlefield, untapping all your lands
4. Repeat

Results

• Infinite colored mana
• Infinite colorless mana
• Infinite damage to creatures
• Infinite lifegain