Bhaal, Lord of Murder, Reassembling Skeleton, Crystalline Crawler, and Phyrexian Altar

Prerequisites

• Bhaal, Lord of Murder on the battlefield
• Reassembling Skeleton on the battlefield
• Crystalline Crawler on the battlefield
• Phyrexian Altar on the battlefield

Steps

1. Activate Phyrexian Altar by sacrificing Reassembling Skeleton, adding
2. When Reassembling Skeleton dies, Bhaal triggers, putting a +1/+1 counter on Crystalline Crawler and goading it
3. Activate Crystalline Crawler's first ability by removing a +1/+1 counter from it, adding
4. Activate Reassembling Skeleton by paying , returning it from your graveyard to the battlefield tapped
5. Repeat

Results

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