Athreos, Shroud-Veiled, Skullbriar, the Walking Grave, and Altar of Dementia

Prerequisites

• Athreos, Shroud-Veiled on the battlefield
• Skullbriar, the Walking Grave on the battlefield
• Altar of Dementia on the battlefield

Steps

1. Move to your end step
2. Athreos triggers, placing a coin counter on Skullbriar
3. Sacrifice Skullbriar to Altar of Dementia to mill target player 1
4. Athreos triggers, returning Skullbriar to the battlefield
5. Repeat

Results

• Infinite death triggers
• Infinite ETB
• Infinite LTB
• Infinite mill
• Infinite sacrifice triggers