Prerequisites
- Mikaeus, the Unhallowed on the battlefield
- Carnifex Demon on the battlefield
- Phyrexian Altar on the battlefield
Steps
- Activate Phyrexian Altar by sacrificing Carnifex Demon, adding one mana of any color
- Carnifex Demon dies, triggering its undying ability, returning it from your graveyard to the battlefield with a -1/-1 counter on it
- Repeat
Results
Required Cards 3
Mikaeus, the Unhallowed
Legendary Creature — Zombie Cleric
Carnifex Demon
Creature — Phyrexian Demon