Kinzu of the Bleak Coven, Eternal Scourge, Ashnod's Altar, and Blood Artist

Prerequisites

• Kinzu of the Bleak Coven on the battlefield
• Eternal Scourge on the battlefield
• Ashnod's Altar on the battlefield
• Blood Artist on the battlefield
• Your life total is at least 2

Steps

1. Activate Ashnod's Altar by sacrificing Eternal Scourge, adidng
2. When Eternal Scourge dies, Kinzu of the Bleak Coven and Blood Artist trigger
3. Resolve the Blood Artist trigger, causing an opponent to lose 1 life and you to gain one life
4. Resolve the Kinzu of the Bleak Coven trigger, causing you to pay two life and exile Eternal Scourge from your graveyard to create a token copy of it that is 1/1
5. Activate Ashnod's Altar by sacrificing the Eternal Scourge token, adding
6. When the Eternal Scourge token dies, Blood Artist triggers, causing an opponent to lose 1 life and you to gain one life
7. Cast Eternal Scourge from exile by paying
8. Repeat

Results

• Infinite colorless mana
• Infinite death triggers
• Infinite ETB
• Infinite lifegain triggers
• Infinite lifeloss
• Infinite LTB
• Infinite sacrifice triggers
• Infinite storm count