How can you create a combo with Zacama, Primal Calamity, Crystalline Crawler, Light of Promise?
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[START OF COMBO]This combo can be formed with Zacama, Primal Calamity, Crystalline Crawler, Light of Promise

Color identity: RGW
Mana cost: {2}{W}
Steps:
  1. Activate Zacama's third ability by paying {2}{W}, causing you to gain three life.
  2. Light of Promise triggers, putting three +1/+1 counters on Crystalline Crawler.
  3. Activate Crystalline Crawler's first ability three times by removing three +1/+1 counters from it, adding {2}{W}.
  4. Repeat.[END OF COMBO STEPS]

Result:
  - Infinite lifegain
  - Infinite lifegain triggers[END OF COMBO RESULT][END OF COMBO]

Other prerequisites:
  - All permanants must be on the battlefield
  - Light of Promise attached to Crystalline Crawler.
[END OF COMBO PREREQUISITES]
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