Su-Chi Cave Guard, Enduring Renewal, and Altar of Dementia

Prerequisites

• Su-Chi Cave Guard on the battlefield
• Enduring Renewal on the battlefield
• Altar of Dementia on the battlefield

Steps

1. Activate Altar of Dementia by sacrificing Su-Chi Cave Guard
2. Su-Chi Cave Guard dies, triggering itself and Enduring Renewal
3. Resolve the Su-Chi Cave Guard trigger, adding eight
4. Resolve the Enduring Renewal trigger, returning Su-Chi Cave Guard from your graveyard to your hand
5. Resolve the Altar of Dementia ability from step 1, causing target player to mill cards equal to Su-Chi Cave Guard's power
6. Cast Su-Chi Cave Guard by paying
7. Repeat

Results

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