Memnite, Grinding Station, Underworld Breach, and Thassa's Oracle

Prerequisites

• Memnite on the battlefield
• Grinding Station on the battlefield
• Underworld Breach in hand
• Thassa's Oracle in the library
• You have four or more cards in your graveyard
• available

Steps

1. Cast Underworld Breach
2. Activate Grinding Station by tapping it and sacrificing Memnite, milling yourself for three
3. Cast Memnite by exiling three cards from your graveyard that are not Thassa's Oracle
4. Grinding Station triggers, untapping itself
5. Repeat steps 2 to 4 until you have no cards in your library
6. Cast Thassa's Oracle
7. Thassa's Oracle triggers, winning you the game

Results

• Infinite self-mill
• Near-infinite ETB
• Near-infinite LTB
• Near-infinite sacrifice triggers
• Win the game