Mortuary, Carmen, Cruel Skymarcher, Masked Meower, and Gwenom, Remorseless

Prerequisites

• Mortuary on the battlefield
• Carmen, Cruel Skymarcher on the battlefield
• Masked Meower on the battlefield
• Gwenom, Remorseless on the battlefield

Steps

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

Results

• Infinite self-discard triggers
• Near-infinite lifegain triggers
• Near-infinite ETB
• Infinite draw triggers
• Near-infinite storm count
• Near-infinite LTB
• Infinite rummaging
• Near-infinite death triggers
• Near-infinite sacrifice triggers
• Infinite +1/+1 counters on Carmen
• Near-infinite +1/+1 counters on Carmen