Mortuary, Phyrexian Dreadnought, Vengeful Bloodwitch, and Gwenom, Remorseless

Prerequisites

• Mortuary on the battlefield
• Phyrexian Dreadnought in the library
• Vengeful Bloodwitch on the battlefield
• Gwenom, Remorseless on the battlefield
• available

Steps

1. Cast Phyrexian Dreadnought from the top of your library by paying 1 life
2. When Phyrexian Dreadnought enters, it triggers, causing you to sacrifice it
3. When Phyrexian Dreadnought dies, Mortuary and Vengeful Bloodwitch trigger
4. Resolve the Mortuary trigger, putting Phyrexian Dreadnought from your graveyard onto the top of your library
5. Resolve the Vengeful Bloodwitch 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