Hogaak, Arisen Necropolis, Altar of Dementia, Primeval Bounty, and Bridge from Below

Prerequisites

• Hogaak, Arisen Necropolis on the battlefield
• Altar of Dementia on the battlefield
• Primeval Bounty on the battlefield
• Bridge from Below in the graveyard
• You control an additional untapped black and/or green creature

Steps

1. Activate Altar of Dementia by sacrificing Hogaak
2. When Hogaak dies, Bridge from Below triggers, creating a creature token
3. Resolve the Altar of Dementia ability, causing you to mill eight cards
4. Cast Hogaak from your graveyard by exiling five cards from your graveyard and tapping two black and/or green creatures you control
5. Primeval Bounty triggers, creating a 3/3 Beast creature token
6. Repeat

Results

• Near-infinite ETB
• Near-infinite storm count
• Near-infinite LTB
• Exile your library
• Near-infinite mill
• Near-infinite death triggers
• Near-infinite sacrifice triggers
• Near-infinite tapped creature tokens