Impromptu Raid, Arashin Sovereign, Zirda, the Dawnwaker, and Phyrexian Altar

Prerequisites

• Impromptu Raid on the battlefield
• Arashin Sovereign on the battlefield
• Zirda, the Dawnwaker on the battlefield
• Phyrexian Altar on the battlefield

Steps

1. Activate Phyrexian Altar by sacrificing Arashin Sovereign, adding
2. When Arashin Sovereign dies, it triggers, putting itself on top of your library from your graveyard
3. Activate Impromptu Raid by paying , revealing Arashin Sovereign from the top of your library and putting it onto the battlefield
4. Repeat

Results

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