Shepherd of the Cosmos + Angelic Renewal + Altar of Dementia

Prerequisites

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Steps

1. 1Activate Altar of Dementia by sacrificing Shepherd of the Cosmos.
2. 2Shepherd of the Cosmos dies, triggering Angelic Renewal, causing you to sacrifice Angelic Renewal and return Shepherd of the Cosmos from your graveyard to the battlefield.
3. 3Shepherd of the Cosmos enters the battlefield, returning Angelic Renewal from your graveyard to the battlefield.
4. 4Resolve the Altar of Dementia ability, causing target player to mill cards equal to Shepherd of the Cosmos' power.
5. 5Repeat.

Effects

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