How can you create a combo with Mortuary, Carrion Feeder, Aluren, Dream Thief?
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[START OF COMBO]This combo can be formed with Mortuary, Carrion Feeder, Aluren, Dream Thief

Color identity: BGU
Mana cost: 
Steps:
  1. Cast Dream Thief by paying {0}.
  2. Dream Thief enters the battlefield, triggering its ability.
  3. Holding priority, activate Carrion Feeder by sacrificing Dream Thief.
  4. Dream Thief dies, triggering Mortuary, putting Dream Thief on top of your library from your graveyard.
  5. Resolve the Carrion Feeder ability, putting a +1/+1 counter on it.
  6. Resolve the Dream Thief trigger from step 2, causing you to draw Dream Thief from the top of your library.
  7. Repeat.[END OF COMBO STEPS]

Result:
  - Infinite +1/+1 counters on Carrion Feeder
  - Infinite death triggers
  - Infinite draw triggers
  - Infinite enters the battlefield
  - Infinite leaves the battlefield
  - Infinite sacrifice triggers
  - Infinite storm count[END OF COMBO RESULT][END OF COMBO]

Other prerequisites:
  - Mortuary must be on the battlefield
  - Carrion Feeder must be on the battlefield
  - Aluren must be on the battlefield
  - Dream Thief must be in your hand
  - You have cast another blue spell this turn.
[END OF COMBO PREREQUISITES]
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