How can you create a combo with Mortuary, Narcomoeba, Altar of Dementia?
user
[START OF COMBO]This combo can be formed with Mortuary, Narcomoeba, Altar of Dementia

Color identity: UB
Mana cost: 
Steps:
  1. Activate Altar of Dementia by sacrificing Narcomoeba.
  2. Narcomoeba dies, triggering Mortuary, putting Narcomoeba on top of your library from your graveyard.
  3. Resolve the Altar of Dementia ability, causing you to mill Narcomoeba from the top of your library.
  4. Narcomoeba triggers, putting itself from your graveyard onto the battlefield.
  5. Repeat.[END OF COMBO STEPS]

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

Other prerequisites:
  - All permanants must be on the battlefield
[END OF COMBO PREREQUISITES]
assistant