Sword of the Meek, Grinding Station, and Teval, the Balanced Scale

Prerequisites

• Sword of the Meek in the graveyard
• Grinding Station on the battlefield
• Teval, the Balanced Scale on the battlefield

Steps

1. Cause a 2/2 creature to enter the battlefield under your control, which enters as a 1/1
2. Sword of the Meek triggers, returning itself from your graveyard to the battlefield attached to the 1/1 creature
3. Tormod and Grinding Station trigger
4. Resolve the Grinding Station trigger, untapping it
5. Holding priority, activate Grinding Station by tapping it and sacrificing Sword of the Meek
6. Resolve the Teval trigger, creating a 2/2 Zombie Druid creature token
7. Repeat from step 2

Results

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