How can you create a combo with Soldevi Adnate, Gravecrawler, Intruder Alarm?
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[START OF COMBO]This combo can be formed with Soldevi Adnate, Gravecrawler, Intruder Alarm

Color identity: UB
Mana cost: 
Steps:
  1. Activate Soldevi Adnate by tapping it and sacrificing Gravecrawler, adding {B}.
  2. Cast Gravecrawler from your graveyard by paying {B}.
  3. Gravecrawler enters the battlefield, triggering Intruder Alarm, untapping all creatures.
  4. Repeat.[END OF COMBO STEPS]

Result:
  - 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
  - Soldevi Adnate does not have summoning sickness.
  - You control at least one additional Zombie.
[END OF COMBO PREREQUISITES]
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