Mortuary, Bolas's Citadel, Accursed Centaur, and Sifa Grent

Prerequisites

• Mortuary on the battlefield
• Bolas's Citadel on the battlefield
• Accursed Centaur in the library
• Sifa Grent on the battlefield
• available

Steps

1. Cast Accursed Centaur from the top of your library by paying 1 life
2. When Accursed Centaur enters, it triggers, causing you to sacrifice it
3. When Accursed Centaur dies, Mortuary and Sifa Grent trigger
4. Resolve the Mortuary trigger, putting Accursed Centaur from your graveyard onto the top of your library
5. Resolve the Sifa Grent trigger, causing you to gain 1 life and target opponent to lose 1 life
6. Repeat

Results

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