Memnite + Grinding Station + Underworld Breach + Thassa's Oracle

Prerequisites

• You have four or more cards in your graveyard.

Steps

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

Effects

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