How can you create a combo with Trostani, Selesnya's Voice, Crystalline Crawler, Light of Promise, Ancestral Statue?
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[START OF COMBO]This combo can be formed with Trostani, Selesnya's Voice, Crystalline Crawler, Light of Promise, Ancestral Statue

Color identity: GW
Mana cost: {4}
Steps:
  1. Cast Ancestral Statue by paying {4}.
  2. When Ancestral Statue enters the battlefield, it and Trostani trigger.
  3. Resolve the Ancestral Statue trigger, returning it from the battlefield to your hand.
  4. Resolve the Trostani triggers, causing you to gain life equal to Ancestral Statue's toughness.
  5. Crystalline Crawler triggers, putting four +1/+1 counters on itself.
  6. Activate Crystalline Crawler's first ability four times by removing four +1/+1 counters from it, adding {4}.
  7. Repeat.[END OF COMBO STEPS]

Result:
  - Infinite enters the battlefield
  - Infinite lifegain
  - Infinite lifegain triggers
  - Infinite leaves the battlefield
  - Infinite storm count[END OF COMBO RESULT][END OF COMBO]

Other prerequisites:
  - Trostani, Selesnya's Voice must be on the battlefield
  - Crystalline Crawler must be on the battlefield
  - Light of Promise must be on the battlefield
  - Ancestral Statue must be in your hand
  - Light of Promise attached to Crystalline Crawler.
[END OF COMBO PREREQUISITES]
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