Mikaeus, the Unhallowed + Woodfall Primus + Shilgengar, Sire of Famine

Mikaeus, the Unhallowed

Woodfall Primus

Shilgengar, Sire of Famine

How it works

1. Activate Shilgengar by sacrificing Woodfall Primus.
2. When Woodfall Primus dies, its persist ability triggers, returning it from your graveyard to the battlefield with a -1/-1 counter on it.
3. When Woodfall Primus enters, it triggers, destroying a noncreature permanent.
4. Resolve the Shilgengar ability.
5. Activate Shilgengar by sacrificing Woodfall Primus.
6. When Woodfall Primus dies, its undying ability triggers, returning it from your graveyard to the battlefield with a +1/+1 counter on it.
7. When Woodfall Primus enters, it triggers, destroying a noncreature permanent.
8. Resolve the Shilgengar ability.
9. Repeat.