How can you create a combo with Gilder Bairn, Crystalline Crawler, Paradise Mantle?
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[START OF COMBO]This combo can be formed with Gilder Bairn, Crystalline Crawler, Paradise Mantle

Color identity: GU
Mana cost: {2}
Steps:
  1. Activate Gilder Bairn by tapping it, adding {G/U}.
  2. Activate Gilder Bairn by paying {2}{G/U} and untapping it, doubling each counter on Crystalline Crawler.
  3. Activate Crystalline Crawler's first ability twice by removing two +1/+1 counters from it, adding {2}.
  4. Repeat.
  5. Once you have infinite +1/+1 counters on Crystalline Crawler, you may instead double the counters on any other permanent(s).[END OF COMBO STEPS]

Result:
  - Infinite +1/+1 counters on Crystalline Crawler
  - Infinite colored mana
  - Infinite proliferate[END OF COMBO RESULT][END OF COMBO]

Other prerequisites:
  - All permanants must be on the battlefield
  - Crystalline Crawler has at least three +1/+1 counters on it.
  - Gilder Bairn does not have summoning sickness.
  - Paradise Mantle attached to Gilder Bairn.
[END OF COMBO PREREQUISITES]
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