How can you create a combo with Morality Shift, Mortal Combat?
user
[START OF COMBO]This combo can be formed with Morality Shift, Mortal Combat

Color identity: B
Mana cost: {5}{B}{B}
Steps:
  1. Cast Morality Shift by paying {5}{B}{B}, exchanging your graveyard and library.
  2. At the beginning of your next upkeep, Mortal Combat triggers, causing you to win the game.[END OF COMBO STEPS]

Result:
  - Near-infinite self-mill
  - Win the game at the beginning of your next upkeep[END OF COMBO RESULT][END OF COMBO]

Other prerequisites:
  - Morality Shift must be in your hand
  - Mortal Combat must be on the battlefield
  - You have at least twenty creatures in library.
[END OF COMBO PREREQUISITES]
assistant