Golgari Thug, Phantom Train, Gwenom, Remorseless, and Dross Harvester

Prerequisites

• Golgari Thug on the battlefield
• Phantom Train on the battlefield
• Gwenom, Remorseless on the battlefield
• Dross Harvester on the battlefield

Steps

1. Activate Phantom Train by sacrificing Golgari Thug
2. When Golgari Thug dies, it and Dross Harvester trigger
3. Resolve the Golgari Thug trigger, putting it from your graveyard onto the top of your library
4. Resolve the Dross Harvester trigger, causing you to gain 2 life
5. Resolve the Phantom Train ability
6. Cast Golgari Thug from the top of your library by paying 2 life
7. Repeat

Results

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