Mortuary, Carmen, Cruel Skymarcher, Myr Scrapling, and Gwenom, Remorseless

Prerequisites

• Mortuary on the battlefield
• Carmen, Cruel Skymarcher on the battlefield
• Myr Scrapling on the battlefield
• Gwenom, Remorseless on the battlefield

Steps

1. Activate Myr Scrapling by sacrificing it
2. When Myr Scrapling dies, Mortuary and Carmen trigger
3. Resolve the Mortuary trigger, putting Myr Scrapling 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 Myr Scrapling ability
6. Cast Myr Scrapling from the top of your library by paying 1 life
7. Repeat

Results

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