How can you create a combo with Lazav, the Multifarious, Mirror-Mad Phantasm, Thassa's Oracle?
user
[START OF COMBO]This combo can be formed with Lazav, the Multifarious, Mirror-Mad Phantasm, Thassa's Oracle

Color identity: UB
Mana cost: {6}{U}{U}{U}
Steps:
  1. Activate Lazav by paying {5}, causing it to become a copy of Mirror-Mad Phantasm until end of turn.
  2. Activate Lazav using Mirror-Mad Phantasm's ability by paying {1}{U}, shuffling Lazav into your library and milling your library due to not having a card named Mirror-Mad Phantasm in it.
  3. Cast Thassa's Oracle by paying {U}{U}.
  4. Thassa's Oracle enters the battlefield, causing you to win the game.[END OF COMBO STEPS]

Result:
  - Infinite self-mill
  - Win the game[END OF COMBO RESULT][END OF COMBO]

Other prerequisites:
  - Lazav, the Multifarious must be on the battlefield
  - Mirror-Mad Phantasm must be in the graveyard
  - Thassa's Oracle must be in your hand
[END OF COMBO PREREQUISITES]
assistant