Dargo, the Shipwrecker, Birgi, God of Storytelling // Harnfel, Horn of Bounty, and Altar of Dementia

Prerequisites

• Dargo, the Shipwrecker in the command zone
• Birgi, God of Storytelling // Harnfel, Horn of Bounty on the battlefield
• Altar of Dementia on the battlefield
• You have sacrificed at least three artifacts and/or creatures this turn, plus an additional artifact or creature for each time you've cast Dargo from the command zone this game
• available

Steps

1. Cast Dargo from the command zone by paying
2. Birgi triggers, adding
3. Activate Altar of Dementia by sacrificing Dargo
4. Choose to return Dargo to the command zone from your graveyard
5. Resolve the Altar of Dementia ability, causing target player to mill cards equal to Dargo's power
6. Repeat

Results

• Infinite commander casts
• Infinite death triggers
• Infinite ETB
• Infinite LTB
• Infinite mill
• Infinite sacrifice triggers
• Infinite self-mill
• Infinite storm count