Sedris, the Traitor King + Void Maw + Altar of Dementia + Priest of Gix

Prerequisites

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Steps

1. 1Activate Altar of Dementia by sacrificing Priest of Gix, causing target player to mill cards equal to Priest of Gix's power.
2. 2Activate Priest of Gix's unearth ability by paying , returning it from your graveyard to the battlefield, giving it haste and exiling it at end of turn or when it leaves the battlefield.
3. 3Priest of Gix enters the battlefield, adding .
4. 4Activate Altar of Dementia by sacrificing Priest of Gix.
5. 5Both Priest of Gix's undying ability and Void Maw attempt to exile Priest of Gix when it would be put into your graveyard.
6. 6Choose to apply the Void Maw replacement effect, exiling Priest of Gix.
7. 7Resolve the Altar of Dementia ability, causing target player to mill cards equal to Priest of Gix's power.
8. 8Activate Void Maw by putting Priest of Gix from exile into your graveyard, giving Void Maw +2/+2 until end of turn.
9. 9Repeat from step 2.

Effects

• Infinite creature ETB
• Infinite creature LTB
• Infinite creature sacrifice triggers
• Infinite mill
• Infinite self-mill
• Infinitely large creature until end of turn