Mortuary, Bolas's Citadel, Tinder Wall, and Blood Artist

Prerequisites

• Mortuary on the battlefield
• Bolas's Citadel on the battlefield
• Tinder Wall on the battlefield
• Blood Artist on the battlefield

Steps

1. Activate Tinder Wall by sacrificing it
2. When Tinder Wall dies, Mortuary and Blood Artist trigger
3. Resolve the Mortuary trigger, putting Tinder Wall from your graveyard onto the top of your library
4. Resolve the Blood Artist trigger, causing you to gain 1 life and target opponent to lose 1 life
5. Cast Tinder Wall 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 red mana
• Infinite lifeloss