Havengul Lich, Necroduality, Shambling Ghast, and Altar of Dementia

Prerequisites

• Havengul Lich on the battlefield
• Necroduality on the battlefield
• Shambling Ghast in the graveyard
• Altar of Dementia on the battlefield
• available

Steps

1. Activate Havengul Lich by paying , allowing you to cast Shambling Ghast card from your graveyard this turn
2. Cast Shambling Ghast from your graveyard by paying
3. When Shambling Ghast enters, Necroduality triggers, creating a token copy of Shambling Ghast
4. Activate Altar of Dementia twice by sacrificing both Shambling Ghasts
5. When the Shambling Ghasts die, they triggers, creating two Treasure tokens
6. Resolve the Altar of Dementia ability
7. Activate the Treasures by tapping and sacrificing them, adding
8. Repeat

Results

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