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

Prerequisites

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Steps

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

Effects

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