How can you create a combo with Belisarius Cawl, Intruder Alarm?
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[START OF COMBO]This combo can be formed with Belisarius Cawl, Intruder Alarm

Color identity: WU
Mana cost: 
Steps:
  1. Activate Belisarius Cawl's first ability by tapping it and two other artifact creatures you control, creating a 2/2 Astartes Warrior creature token.
  2. The Astartes Warrior enters the battlefield, triggering Intruder Alarm, untapping all creatures.
  3. Repeat.[END OF COMBO STEPS]

Result:
  - Infinite creature tokens
  - Infinite enters the battlefield
  - Infinite mana creatures you control can produce
  - Infinite untap of all creatures[END OF COMBO RESULT][END OF COMBO]

Other prerequisites:
  - All permanants must be on the battlefield
  - Belisarius Cawl does not have summoning sickness.
  - You control at least two other untapped artifact creatures.
[END OF COMBO PREREQUISITES]
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