Nim Deathmantle, Altar of Dementia, and Peregrine Drake

Prerequisites

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

Steps

1. Activate up to five lands by tapping them, adding at least
2. Activate Altar of Dementia by sacrificing Peregrine Drake
3. When Peregrine Drake dies, Nim Deathmantle triggers, returning Peregrine Drake from your graveyard to the battlefield, and attaching Nim Deathmantle to it
4. When Peregrine Drake enters the battlefield, it triggers, untapping up to five lands
5. Resolve the Altar of Dementia ability from step 2, causing target player to mill cards equal to Peregrine Drake'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