Boonweaver Giant, Altar of Dementia, and Fool's Demise

Prerequisites

• Boonweaver Giant on the battlefield
• Altar of Dementia on the battlefield
• Fool's Demise on the battlefield

Steps

1. Activate Altar of Dementia by sacrificing Boonweaver Giant When Boonweaver Giant dies, Fool's Demise's first and second ability triggers
2. Resolve the first trigger, returning Boonweaver Giant from your graveyard to the battlefield When Boonweaver Giant enters, it triggers, returning Fool's Demise from your graveyard to the battlefield attached to Boonweaver Giant
3. Resolve the second Fool's Demise ability, doing nothing,
4. Resolve the Altar of Dementia ability from step 1
5. Repeat

Results

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