Gravebane Zombie, Bolas's Citadel, Panharmonicon, Angelic Chorus, and Altar of Dementia

Prerequisites

• Gravebane Zombie on the battlefield
• Bolas's Citadel on the battlefield
• Panharmonicon on the battlefield
• Angelic Chorus on the battlefield
• Altar of Dementia on the battlefield
• Your life total is at least five

Steps

1. Activate Altar of Dementia by sacrificing Gravebane Zombie, causing target player to mill cards equal to Gravebane Zombie's power
2. Gavebane Zombie is put on top of your library instead of your graveyard
3. Cast Gravebane Zombie from the top of your library by paying four life
4. When Gravebane Zombie enters the battlefield, Angelic Chorus triggers twice, causing you to gain four life
5. Repeat

Results

• Infinite death triggers
• Infinite ETB
• Infinite lifegain triggers
• Infinite LTB
• Infinite mill
• Infinite sacrifice triggers
• Infinite self-mill
• Infinite storm count