Mikaeus, the Unhallowed + Shilgengar, Sire of Famine + Lesser Masticore

Mikaeus, the Unhallowed

Shilgengar, Sire of Famine

Lesser Masticore

How it works

1. Activate Shilgengar by sacrificing Lesser Masticore.
2. When Lesser Masticore dies, its persist ability triggers, returning it from your graveyard to the battlefield with a -1/-1 counter on it.
3. Resolve the Shilgengar ability.
4. Activate Shilgengar by sacrificing Lesser Masticore.
5. When Lesser Masticore dies, its undying ability triggers, returning it from your graveyard to the battlefield with a +1/+1 counter on it.
6. Resolve the Shilgengar ability.
7. Repeat.