Doomsday + Thassa's Oracle
Produces: Win the game
- Color identity
- UB
- Mana
- {U}{U}{B}{B}{B}
Prerequisites
Your life total is at least 2. You have at least three devotion to blue.
Steps
- 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.
- Cast Thassa's Oracle by paying {U}{U}.
- Thassa's Oracle enters the battlefield, winning the game.
How to execute this combo
The "Doomsday + Thassa's Oracle" combo takes 3 steps in order. Make sure you have the mana open and permanents listed in the prerequisites before you start — opponents can respond between steps.
The end result: Win the game.
Practice the line offline: lay out the cards, walk through each step, and note where you can lose the combo (summoning sickness, lack of priority, removal on a key permanent). In game, announce each step clearly; in casual play you can offer to shortcut after demonstrating the loop.
The best window is a turn when opponents are tapped out or after they commit a spell — hold protection (a counter, Vexing Shusher) if the combo wins on the spot.