Verdant Succession, God-Eternal Rhonas, and Altar of Dementia

Prerequisites

• Verdant Succession on the battlefield
• God-Eternal Rhonas on the battlefield
• Altar of Dementia on the battlefield

Steps

1. Activate Altar of Dementia by sacrificing God-Eternal Rhonas
2. God-Eternal Rhonas dies, triggering itself and Verdant Succession
3. Resolve the God-Eternal Rhonas trigger, putting it into your library third from the top
4. Resolve the Verdant Succession trigger, searching your library for God-Eternal Rhonas, putting it onto the battlefield and shuffling your library
5. God-Eternal Rhonas enters the battlefield, doubling the power of each other creature you control and giving them vigilance until end of turn
6. Resolve the Altar of Dementia ability, causing target player to mill cards equal to God-Eternal Rhonas's power
7. Repeat

Results

• Infinite death triggers
• Infinite ETB
• Infinite LTB
• Infinitely powerful creatures until end of turn
• Infinite mill
• Infinite sacrifice triggers
• Infinite self-mill