Mortuary, Blood Pet, Venerated Stormsinger, and Gwenom, Remorseless

Prerequisites

• Mortuary on the battlefield
• Blood Pet on the battlefield
• Venerated Stormsinger on the battlefield
• Gwenom, Remorseless on the battlefield

Steps

1. Activate Blood Pet by sacrificing it
2. When Blood Pet dies, Mortuary and Venerated Stormsinger trigger
3. Resolve the Mortuary trigger, putting Blood Pet from your graveyard onto the top of your library
4. Resolve the Venerated Stormsinger trigger, causing you to gain 1 life and each opponent to lose 1 life
5. Cast Blood Pet from the top of your library by paying 1 life
6. Repeat

Results

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