Gravebane Zombie, Rooftop Storm, Altar of Dementia, and One with the Multiverse

Prerequisites

• Gravebane Zombie on the battlefield
• Rooftop Storm on the battlefield
• Altar of Dementia on the battlefield
• One with the Multiverse on the battlefield

Steps

1. Activate Altar of Dementia by sacrificing Gravebane Zombie
2. Gravebone Zombie is put on top of your library instead of into your graveyard
3. Resolve the Altar of Dementia ability, causing target opponent to mill cards equal to Gravebane Zombie's power
4. Cast Gravebane Zombie from the top of your library by paying
5. Repeat

Results

• Infinite ETB
• Infinite LTB
• Infinite mill
• Infinite sacrifice triggers
• Infinite storm count