Mikaeus, the Unhallowed + Carrion Feeder + Lingering Tormentor

Mikaeus, the Unhallowed

Carrion Feeder

Lingering Tormentor

How it works

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