Nim Deathmantle, Altar of Dementia, and Palinchron

Prerequisites

• Nim Deathmantle on the battlefield
• Altar of Dementia on the battlefield
• Palinchron on the battlefield
• You control up to seven lands that can tap to produce at least

Steps

1. Activate up to seven lands by tapping them, adding at least
2. Activate Altar of Dementia by sacrificing Palinchron
3. When Palinchron dies, Nim Deathmantle triggers, returning Palinchron from your graveyard to the battlefield, and attaching Nim Deathmantle to it
4. When Palinchron enters the battlefield, it triggers, untapping up to seven lands
5. Resolve the Altar of Dementia ability from step 2, causing target player to mill cards equal to Palinchron's power
6. Repeat
7. If the lands can tap to produce at least , this combo nets infinite mana

Results

• Infinite death triggers
• Infinite ETB
• Infinite LTB
• Infinite mana lands you control can produce
• Infinite mill
• Infinite sacrifice triggers
• Infinite self-mill
• Infinite untap of lands you control