Sword of the Meek, Summoning Station, Grinding Station, and Night of Souls' Betrayal

Prerequisites

• Sword of the Meek on the battlefield
• Summoning Station on the battlefield
• Grinding Station on the battlefield
• Night of Souls' Betrayal on the battlefield

Steps

1. Activate Grinding Station by tapping it and sacrificing Sword of the Meek
2. Summoning Station triggers, untapping itself
3. Resolve the Grinding Station ability, causing target player to mill three cards
4. Activate Summoning Station by tapping it, creating a 2/2 Pincher creature token
5. The Pincher enters the battlefield as a 1/1 creature due to Night of Souls' Betrayal, triggering Sword of the Meek, returning Sword of the Meek from your graveyard to the battlefield attached to the Pincher
6. Sword of the Meek enters the battlefield, triggering Grinding Station, untapping Grinding Station
7. Repeat

Results

• Infinite creature tokens
• Infinite ETB
• Infinite mill
• Infinite self-mill