Sun Titan, Angelic Renewal, and Altar of Dementia

Prerequisites

• Sun Titan on the battlefield
• Angelic Renewal on the battlefield
• Altar of Dementia on the battlefield

Steps

1. Activate Altar of Dementia by sacrificing Sun Titan
2. When Sun Titan dies, Angelic Renewal triggers, causing you to sacrifice Angelic Renewal and return Sun Titan from your graveyard to the battlefield
3. When Sun Titan enters, it triggers, returning Angelic Renewal from your graveyard to the battlefield
4. Resolve the Altar of Dementia ability
5. Repeat

Results

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