Gravecrawler, Ashnod's Altar, and Stonework Packbeast

Prerequisites

• Gravecrawler on the battlefield
• Ashnod's Altar on the battlefield
• Stonework Packbeast on the battlefield

Steps

1. Activate Ashnod's Altar by sacrificing Gravecrawler, adding
2. Activate Stonework Packbeast by paying , adding
3. Cast Gravecrawler from your graveyard by paying
4. Repeat

Results

• Infinite death triggers
• Infinite creature ETB
• Infinite creature LTB
• Infinite creature sacrifice triggers
• Infinite storm count