Deathrender, Myr Retriever, Junk Diver, and Grinding Station

Prerequisites

• Deathrender on the battlefield
• Myr Retriever on the battlefield
• Junk Diver in the graveyard
• Grinding Station on the battlefield
• Deathrender attached to Myr Retriever

Steps

1. Activate Grinding Station by tapping it and sacrificing Myr Retriever
2. Myr Retriever dies, triggering itself and Deathrender
3. Resolve the Myr Retriever trigger, returning Junk Diver from your graveyard to your hand
4. Resolve the Deathrender trigger, putting Junk Diver from your hand onto the battlefield, and attaching Deathrender to it
5. Junk Diver enters the battlefield, triggering Grinding Station, untapping Grinding Station
6. Resolve the Grinding Station ability from step 1, causing target player to mill three cards
7. Activate Grinding Station by tapping it and sacrificing Junk Diver
8. Junk Diver dies, triggering itself and Deathrender
9. Resolve the Junk Diver trigger, returning Myr Retriever from your graveyard to your hand
10. Resolve the Deathrender trigger, putting Myr Retriever from your hand onto the battlefield, and attaching Deathrender to it
11. Myr Retriever enters the battlefield, triggering Grinding Station, untapping Grinding Station
12. Resolve the Grinding Station ability from step 7, causing target player to mill three cards
13. Repeat

Results

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