Prerequisites
- Mikaeus, the Unhallowed on the battlefield
- Yahenni, Undying Partisan on the battlefield
Steps
- Activate Yahenni by sacrificing the persist creature
- When the persist creature dies, its persist ability triggers if it didn't have a -1/-1 counter on it, and its undying ability triggers if it didn't have a +1/+1 counter on it
- Resolve the persist trigger, if applicable, returning the creature from your graveyard to the battlefield with a -1/-1 counter on it
- Resolve the undying trigger, if applicable, returning the creature from your graveyard to the battlefield with a +1/+1 counter on it
- Resolve the Yahenni ability
- Repeat
Results
Required Cards 2
Mikaeus, the Unhallowed
Legendary Creature — Zombie Cleric
Yahenni, Undying Partisan
Legendary Creature — Aetherborn Vampire