How can you create a combo with Memnite, Grinding Station, Underworld Breach, Thassa's Oracle?
user
[START OF COMBO]This combo can be formed with Memnite, Grinding Station, Underworld Breach, Thassa's Oracle

Color identity: UR
Mana cost: {1}{U}{U}{R}
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.[END OF COMBO STEPS]

Result:
  - Infinite self-mill
  - Near-infinite enters the battlefield
  - Near-infinite leaves the battlefield
  - Near-infinite sacrifice triggers
  - Win the game[END OF COMBO RESULT][END OF COMBO]

Other prerequisites:
  - Memnite must be on the battlefield
  - Grinding Station must be on the battlefield
  - Underworld Breach must be in your hand
  - Thassa's Oracle must be in the library
  - You have four or more cards in your graveyard.
[END OF COMBO PREREQUISITES]
assistant