Colossal Grave-Reaver + Altar of Dementia + Avenging Angel

Prerequisites

—

Steps

1. 1Activate Altar of Dementia by sacrificing Avenging Angel.
2. 2When Avenging Angel dies, it triggers, putting itself from your graveyard onto the top of your library.
3. 3Resolve the Altar of Dementia ability, causing you to mill cards equal to Avenging Angel's power, ultimately milling Avenging Angel.
4. 4Colossal Grave-Reaver's second ability triggers, putting Avenging Angel from your graveyard onto the battlefield.
5. 5Repeat.

Effects

• Infinite creature ETB
• Infinite creature LTB
• Infinite creature sacrifice triggers
• Infinite death triggers
• Infinite self-mill