How can you create a combo with Sidisi, Undead Vizier, Rooftop Storm, Mortuary?
user
[START OF COMBO]This combo can be formed with Sidisi, Undead Vizier, Rooftop Storm, Mortuary

Color identity: UB
Mana cost: 
Steps:
  1. Cast Sidisi by paying {0}.
  2. Sidisi's exploit ability triggers, sacrificing itself.
  3. Sidisi dies, triggering Mortuary, putting Sidisi on top of your library.
  4. Sidisi's second ability triggers, searching your library for Sidisi, putting it into your hand and shuffling your library.
  5. Repeat.[END OF COMBO STEPS]

Result:
  - Infinite death triggers
  - Infinite enters the battlefield
  - Infinite leaves the battlefield
  - Infinite sacrifice triggers
  - Infinite storm count[END OF COMBO RESULT][END OF COMBO]

Other prerequisites:
  - Sidisi, Undead Vizier must be in your hand
  - Rooftop Storm must be on the battlefield
  - Mortuary must be on the battlefield
[END OF COMBO PREREQUISITES]
assistant