Altar of Dementia + Morophon, the Boundless + Orah, Skyclave Hierophant + Sister Hospitaller

WUBRG identity

Commander legal

The 4 combo pieces

• Altar of Dementia
• Morophon, the Boundless
• Orah, Skyclave Hierophant
• Sister Hospitaller

How to execute it

1. Activate Altar of Dementia by sacrificing Morophon.
2. When Morophon dies, Orah triggers, returning Sister Hospitaller from your graveyard to the battlefield.
3. When Sister Hospitaller enters, it triggers, returning Morophon from your graveyard to the battlefield and causing you to gain 7 life.
4. Resolve the Altar of Dementia ability.
5. Activate Altar of Dementia by sacrificing Sister Hospitaller.
6. When Sister Hospitaller dies, Orah triggers, allowing you to return a Cleric with mana value 5 or less from your graveyard to the battlefield.
7. Resolve the Altar of Dementia ability.
8. Repeat.

What the combo produces

• Infinite creature LTB
• Infinite death triggers
• Infinite ETB
• Infinite lifegain
• Infinite lifegain triggers
• Infinite mill
• Infinite recursion of some creature cards in your graveyard
• Infinite sacrifice triggers
• Infinite self-mill