Mortuary, Phantom Train, Phyrexian Walker, and Gwenom, Remorseless

Prerequisites

• Mortuary on the battlefield
• Phantom Train on the battlefield
• Phyrexian Walker on the battlefield
• Gwenom, Remorseless on the battlefield

Steps

1. Activate Phantom Train by sacrificing Phyrexian Walker When Phyrexian Walker dies, Mortuary triggers, putting Phyrexian Walker from your graveyard onto the top of your library
2. Resolve the Phantom Train ability
3. Cast Phyrexian Walker from the top of your library by paying 0 life
4. Repeat

Results

• Infinite LTB
• Infinite ETB
• Infinite sacrifice triggers
• Infinite death triggers
• Infinite storm count
• Infinite +1/+1 counters on a creature