How can you create a combo with Agent Frank Horrigan, Deadeye Navigator, Crystalline Crawler?
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[START OF COMBO]This combo can be formed with Agent Frank Horrigan, Deadeye Navigator, Crystalline Crawler

Color identity: BGU
Mana cost: {1}{U}
Steps:
  1. Activate Agent Frank Horrigan by paying {1}{U}, blinking it.
  2. When Agent Frank Horrigan enters the battlefield, it and Deadeye Navigator's soulbond ability trigger.
  3. Resolve the Agent Frank Horrigan trigger, causing you to put two +1/+1 counters on Crystalline Crawler.
  4. Resolve the Deadeye Navigator trigger, repairing it and Agent Frank Horrigan.
  5. Activate Crystalline Crawler's first ability twice by removing two +1/+1 counters from it, adding {1}{U}.
  6. Repeat.[END OF COMBO STEPS]

Result:
  - Infinite enters the battlefield
  - Infinite leaves the battlefield
  - Infinite proliferate[END OF COMBO RESULT][END OF COMBO]

Other prerequisites:
  - All permanants must be on the battlefield
  - Deadeye Navigator is paired with Agent Frank Horrigan.
  - Crystalline Crawler has at least one +1/+1 counter on it.
[END OF COMBO PREREQUISITES]
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