Sun Titan, Altar of Dementia, and Fungal Fortitude

Prerequisites

• Sun Titan on the battlefield
• Altar of Dementia on the battlefield
• Fungal Fortitude on the battlefield

Steps

1. Activate Altar of Dementia by sacrificing Sun Titan
2. When Sun Titan dies, Fungal Fortitude triggers, returning Sun Titan from your graveyard to the battlefield
3. When Sun Titan enters, it triggers, returning Fungal Fortitude from your graveyard to the battlefield attached to Sun Titan
4. Resolve the Altar of Dementia ability
5. Repeat

Results

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