Mortuary, Carmen, Cruel Skymarcher, Viscera Seer, and Gwenom, Remorseless

Prerequisites

• Mortuary on the battlefield
• Carmen, Cruel Skymarcher on the battlefield
• Viscera Seer on the battlefield
• Gwenom, Remorseless on the battlefield

Steps

1. Activate Viscera Seer by sacrificing it
2. When Viscera Seer dies, Mortuary and Carmen trigger
3. Resolve the Mortuary trigger, putting Viscera Seer from your graveyard onto the top of your library
4. Resolve the Carmen trigger, causing you to gain 1 life and put a +1/+1 counter on Carmen
5. Resolve the Viscera Seer ability
6. Cast Viscera Seer from the top of your library by paying 1 life
7. Repeat

Results

• Infinite LTB
• Infinite ETB
• Infinite sacrifice triggers
• Infinite death triggers
• Infinite scry 1
• Infinite lifegain triggers
• Infinite storm count
• Infinite +1/+1 counters on Carmen