Gravecrawler + Rooftop Storm + Altar of Dementia
Altar of Dementia
All permanents on the battlefield. You control at least one additional Zombie.
- Activate Altar of Dementia by sacrificing Gravecrawler, causing target player to mill two cards
- Cast Gravecrawler from your graveyard by paying
Infinite mill. Infinite ETB. Infinite LTB. Infinite sacrifice triggers. Infinite storm count.