Stalwart Successor, Altar of Dementia, and Wingrattle Scarecrow

Prerequisites

• Stalwart Successor on the battlefield
• Altar of Dementia on the battlefield
• Wingrattle Scarecrow on the battlefield

Steps

1. Activate Altar of Dementia by sacrificing Wingrattle Scarecrow When Wingrattle Scarecrow dies, its persist ability triggers, returning it from your graveyard to the battlefield with a -1/-1 counter on it
2. When Wingrattle Scarecrow enters, Stalwart Successor triggers, putting a +1/+1 counter on Wingrattle Scarecrow Resolve the Altar of Dementia ability
3. Repeat

Results

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