Wretched Throng, Rooftop Storm, Ashnod's Altar, and Tomb Trawler

Prerequisites

• Wretched Throng on the battlefield
• Rooftop Storm on the battlefield
• Ashnod's Altar on the battlefield
• Tomb Trawler on the battlefield

Steps

1. Activate Ashnod's Altar by sacrificing Wretched Throng, adding
2. When Wretched Throng dies, it triggers
3. Holding priority, activate Tomb Trawler by paying , putting Wretched Throng from your graveyard onto the bottom of your library
4. Resolve the Wretched Throng trigger, putting Wretched Throng from your library into your hand
5. Cast Wretched Throng by paying
6. Repeat

Results

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