Berta, Wise Extrapolator, Animation Module, Grinding Station, and Tarrian's Soulcleaver

Prerequisites

• Berta, Wise Extrapolator on the battlefield
• Animation Module on the battlefield
• Grinding Station on the battlefield
• Tarrian's Soulcleaver on the battlefield

Steps

1. Activate Grinding Station by tapping it and sacrificing another artifact Tarrian's Soulcleaver triggers, putting a +1/+1 counter on Berta
2. Berta and Animation Module trigger
3. Resolve the Berta trigger, adding
4. Resolve the Animation Module trigger, causing you to pay to create a 1/1 Servo artifact creature token
5. When the Servo enters, Grinding Station triggers, untapping Grinding Station
6. Resolve the Grinding Station ability from step 1
7. Repeat

Results

• Infinite +1/+1 counters on a creature
• Infinite ETB
• Infinite LTB
• Infinite death triggers
• Infinite mill
• Infinite sacrifice triggers
• Infinite self-mill