How can you create a combo with Illuminor Szeras, Intruder Alarm, Gravewaker?
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[START OF COMBO]This combo can be formed with Illuminor Szeras, Intruder Alarm, Gravewaker

Color identity: UB
Mana cost: 
Steps:
  1. Activate Illuminor Szeras by tapping it and sacrificing a nontoken creature with mana value eight or greater, adding at least eight {B}.
  2. Activate Gravewaker by paying {5}{B}{B}, returning the creature with mana value eight or greater from your graveyard to the battlefield.
  3. The creature enters the battlefield, triggering Intruder Alarm, untapping all creatures.
  4. Repeat.[END OF COMBO STEPS]

Result:
  - Infinite black mana
  - Infinite death triggers
  - Infinite enters the battlefield
  - Infinite leaves the battlefield
  - Infinite mana creatures you control can produce
  - Infinite sacrifice triggers
  - Infinite untap of all creatures[END OF COMBO RESULT][END OF COMBO]

Other prerequisites:
  - All permanants must be on the battlefield
  - Illuminor Szeras does not have summoning sickness.
  - You control another nontoken creature with mana value eight or greater.
[END OF COMBO PREREQUISITES]
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