Ygra, Eater of All, Experimental Confectioner, and Grinding Station

Prerequisites

• Ygra, Eater of All on the battlefield
• Experimental Confectioner on the battlefield
• Grinding Station on the battlefield
• You control at least one additional creature

Steps

1. Activate Grinding Station by tapping it and sacrificing another creature
2. When the creature dies as a Food due to Ygra, Experimental Confectioner's second ability and Ygra trigger
3. Resolve the Experimental Confectioner trigger, causing you to create a 1/1 Rat creature token
4. When the Rat enters the battlefield, Grinding Station triggers, untapping Grinding Station
5. Resolve the Ygra trigger, putting two +1/+1 counters on it
6. Resolve the Grinding Station ability from step 1, causing target player to mill three cards
7. Repeat

Results

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