Stalwart Successor, Thermopod, and Wingrattle Scarecrow

Prerequisites

• Stalwart Successor on the battlefield
• Thermopod on the battlefield
• Wingrattle Scarecrow on the battlefield

Steps

1. Activate Thermopod 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 Repeat

Results

• Infinite creature ETB
• Infinite creature LTB
• Infinite death triggers
• Infinite red mana
• Infinite creature sacrifice triggers