How can you create a combo with Demonlord Belzenlok, Selective Memory, Thassa's Oracle?
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[START OF COMBO]This combo can be formed with Demonlord Belzenlok, Selective Memory, Thassa's Oracle

Color identity: UB
Mana cost: {7}{U}{U}{U}{B}{B}
Steps:
  1. Cast Selective Memory by paying {3}{U}, exiling all nonland cards in your library.
  2. Cast Demonlord Belzenlok by paying {4}{B}{B}.
  3. When Demonlord Belzenlok enters the battlefield, it triggers, exiling the remainder of your library.
  4. Cast Thassa's Oracle by paying {U}{U}.
  5. When Thassa's Oracle enters the battlefield, it triggers, causing you to win the game.[END OF COMBO STEPS]

Result:
  - Win the game
  - Exile your library[END OF COMBO RESULT][END OF COMBO]

Other prerequisites:
  - All permanants must be in your hand
[END OF COMBO PREREQUISITES]
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