Danitha, Benalia's Hope, Altar of Dementia, and Fool's Demise

Prerequisites

• Danitha, Benalia's Hope on the battlefield
• Altar of Dementia on the battlefield
• Fool's Demise on the battlefield

Steps

1. Activate Altar of Dementia by sacrificing Danitha When Danitha dies, Fool's Demise triggers, returning Danitha from your graveyard to the battlefield tapped
2. When Danitha enters the battlefield, it triggers, returning Fool's Demise from your graveyard to the battlefield attached to Danitha
3. Resolve the Altar of Dementia ability
4. Repeat

Results

• Infinite death triggers
• Infinite ETB
• Infinite LTB
• Infinite mill
• Infinite sacrifice triggers
• Infinite self-mill