How can you create a combo with Doomsday, Jace, Wielder of Mysteries, Doubling Season?
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[START OF COMBO]This combo can be formed with Doomsday, Jace, Wielder of Mysteries, Doubling Season

Color identity: BGU
Mana cost: {1}{U}{U}{U}{B}{B}{B}
Steps:
  1. Cast Doomsday by paying {B}{B}{B}, searching your library and graveyard for any five other cards, exiling all other cards from your graveyard and library, and then placing the remaining cards on top of your library and losing half your life, rounded up.
  2. Cast Jace by paying {1}{U}{U}{U}.
  3. Activate Jace's second loyalty ability by removing eight loyalty counters from him, drawing seven cards and win the game.[END OF COMBO STEPS]

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

Other prerequisites:
  - Doomsday must be in your hand
  - Jace, Wielder of Mysteries must be in your hand
  - Doubling Season must be on the battlefield
  - Your life total is at least 2.
[END OF COMBO PREREQUISITES]
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