How can you create a combo with Doomsday Excruciator, Thassa's Oracle?
user
[START OF COMBO]This combo can be formed with Doomsday Excruciator, Thassa's Oracle

Color identity: UB
Mana cost: {U}{U} and six {B}
Steps:
  1. Cast Doomsday Excruciator by paying six {B}.
  2. When Doomsday Excruciator enters the battlefield, it triggers, causing each player to exile all but the bottom six cards of their library.
  3. Cast Thassa's Oracle by paying {U}{U}.
  4. When Thassa's Oracle enters the battlefield, it triggers, causing you to win the game.[END OF COMBO STEPS]

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

Other prerequisites:
  - All permanants must be in your hand
  - Your devotion to blue is at least 4.
[END OF COMBO PREREQUISITES]
assistant