Stalwart Successor + Shilgengar, Sire of Famine + Wingrattle Scarecrow

Stalwart Successor

Shilgengar, Sire of Famine

Wingrattle Scarecrow

How it works

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