Stalwart Successor, Viscera Seer, and Wingrattle Scarecrow

Prerequisites

• Stalwart Successor on the battlefield
• Viscera Seer on the battlefield
• Wingrattle Scarecrow on the battlefield

Steps

1. Activate Viscera Seer 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 Viscera Seer ability
3. Repeat

Results

• Infinite ETB
• Infinite LTB
• Infinite death triggers
• Infinite sacrifice triggers
• Infinite scry 1