Mikaeus, the Unhallowed + Scuzzback Marauders + Yahenni, Undying Partisan

Mikaeus, the Unhallowed

Scuzzback Marauders

Yahenni, Undying Partisan

How it works

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