Colossal Grave-Reaver + Altar of Dementia + Dark Revenant

Prerequisites

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Steps

1. 1Activate Altar of Dementia by sacrificing Dark Revenant.
2. 2When Dark Revenant 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 Dark Revenant's power, ultimately milling Dark Revenant.
4. 4Colossal Grave-Reaver's second ability triggers, putting Dark Revenant 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