Gravecrawler, Merrow Bonegnawer, Paradise Mantle, and Carrion Feeder

Prerequisites

• Gravecrawler on the battlefield
• Merrow Bonegnawer on the battlefield
• Paradise Mantle on the battlefield
• Carrion Feeder on the battlefield

Steps

1. Activate Merrow Bonegnawer by tapping it, adding
2. Activate Carrion Feeder by sacrificing Gravecrawler, putting a +1/+1 counter on Carrion Feeder
3. Cast Gravecrawler by paying
4. Merrow Bonegnawer triggers, untapping itself
5. Repeat

Results

• Infinite +1/+1 counters on Carrion Feeder
• Infinite death triggers
• Infinite ETB
• Infinite LTB
• Infinite sacrifice triggers
• Infinite storm count