Jugan, the Rising Star, Nim Deathmantle, Crystalline Crawler, and Altar of Dementia

Prerequisites

• Jugan, the Rising Star on the battlefield
• Nim Deathmantle on the battlefield
• Crystalline Crawler on the battlefield
• Altar of Dementia on the battlefield

Steps

1. Activate Altar of Dementia by sacrificing Jugan
2. Jugan dies, triggering itself and Nim Deathmantle
3. Resolve the Jugan trigger, putting five +1/+1 counters on Crystalline Crawler
4. Activate Crystalline Crawler's first ability three times by removing three +1/+1 counters from it, adding
5. Resolve the Nim Deathmantle trigger from step 2, causing you to pay to return Jugan from your graveyard to the battlefield, and attach Nim Deathmantle to it
6. Resolve the Altar of Dementia ability from step 1, causing target player to mill cards equal to Jugan's power
7. Repeat

Results

• Infinite +1/+1 counters on all creatures you control except Jugan
• Infinite death triggers
• Infinite ETB
• Infinite LTB
• Infinite mill
• Infinite sacrifice triggers
• Infinite self-mill