Fool's Demise, Peregrine Drake, and Altar of Dementia

Prerequisites

• Fool's Demise on the battlefield
• Peregrine Drake on the battlefield
• Altar of Dementia on the battlefield
• Fool's Demise attached to Peregrine Drake
• 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. Fool's Demise's first and second abilities trigger
4. Resolve the first Fool's Demise trigger, returning Peregrine Drake from your graveyard to the battlefield
5. When Peregrine Drake enters the battlefield, it triggers, untapping up to five lands
6. Resolve the second Fool's Demise trigger, returning Fool's Demise to your hand from your graveyard
7. Resolve the Altar of Dementia ability from step 2, causing target player to mill cards equal to Peregrine Drake's power
8. Cast Fool's Demise by paying , targeting Peregrine Drake
9. Repeat
10. If the five 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 storm count
• Infinite untap of lands you control