Renegade Rallier, Saffi Eriksdotter, and Altar of Dementia

Prerequisites

• Renegade Rallier on the battlefield
• Saffi Eriksdotter on the battlefield
• Altar of Dementia on the battlefield

Steps

1. Activate Saffi by sacrificing it, targeting Renegade Rallier
2. Activate Altar of Dementia by sacrificing Renegade Rallier
3. When Renegade Rallier dies, Saffi triggers, returning Renegade Rallier from your graveyard to the battlefield
4. When Renegade Rallier enters the battlefield, it triggers, returning Saffi from your graveyard to the battlefield
5. Resolve the Altar of Dementia ability, causing target player to mill cards equal to Renegade Rallier's power
6. Repeat

Results

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