Mortuary, Narcomoeba, Grinding Station, and Biotransference

Prerequisites

• Mortuary on the battlefield
• Narcomoeba on the battlefield
• Grinding Station on the battlefield
• Biotransference on the battlefield

Steps

1. Activate Grinding Station by tapping it and sacrificing Narcomoeba, targeting yourself
2. When Narcomoeba dies, Mortuary triggers, putting Narcomoeba on top of your library from your graveyard
3. Resolve the Grinding Station ability, causing you to mill three cards
4. Narcomoeba triggers, returning itself to the battlefield from your graveyard
5. When Narcomoeba enters the battlefield, Grinding Station triggers, untapping Grinding Station
6. Repeat

Results

• Infinite death triggers
• Infinite ETB
• Infinite LTB
• Infinite sacrifice triggers
• Infinite self-mill