Prerequisites
- All permanents on the battlefield
Steps
- Activate Altar of Dementia by sacrficing Gravecrawler, causing an opponent to mill cards equal to Gravecrawler's power
- Headless Rider triggers, creating a 2/2 zombie creature token
- Activate Phyrexian Altar by sacrificing the zombie token, adding
- Cast Gravecrawler from your Graveyard by paying
- Repeat
Results
Required Cards 4
Gravecrawler
Creature — Zombie
Headless Rider
Creature — Zombie