Kaya's Ghostform, Altar of Dementia, and Iridescent Drake

Prerequisites

• Kaya's Ghostform on the battlefield
• Altar of Dementia on the battlefield
• Iridescent Drake on the battlefield

Steps

1. Activate Altar of Dementia by sacrificing Iridescent Drake
2. When Iridescent Drake dies, Kaya's Ghostform triggers, returning Iridescent Drake from your graveyard to the battlefield
3. When Iridescent Drake enters, it triggers, returning Kaya's Ghostform from your graveyard to the battlefield attached to Iridescent Drake Resolve the Altar of Dementia ability
4. Repeat

Results

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