Mortuary, Bolas's Citadel, Blood Pet, and Sephiroth, Fabled SOLDIER // Sephiroth, One-Winged Angel

Prerequisites

• Mortuary on the battlefield
• Bolas's Citadel on the battlefield
• Blood Pet on the battlefield
• Sephiroth, Fabled SOLDIER // Sephiroth, One-Winged Angel on the battlefield

Steps

1. Activate Blood Pet by sacrificing it
2. When Blood Pet dies, Mortuary and Sephiroth, Fabled SOLDIER // Sephiroth, One-Winged Angel trigger
3. Resolve the Mortuary trigger, putting Blood Pet from your graveyard onto the top of your library
4. Resolve the Sephiroth, Fabled SOLDIER // Sephiroth, One-Winged Angel trigger, causing you to gain 1 life and target 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