How can you create a combo with Cathars' Crusade, Animation Module, Crystalline Crawler?
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[START OF COMBO]This combo can be formed with Cathars' Crusade, Animation Module, Crystalline Crawler

Color identity: W
Mana cost: 
Steps:
  1. Activate Crystalline Crawler's second ability by tapping it, putting a +1/+1 counter on itself.
  2. Animation Module triggers, holding priority, activate Crystalline Crawler's first ability by removing a +1/+1 counter from it, adding {1}.
  3. Resolve the Animation Module trigger, causing you to pay {1} to create a 1/1 Servo artifact creature token.
  4. The Servo enters the battlefield, triggering Cathars' Crusade, putting a +1/+1 counter on each creature you control.
  5. Animation Module triggers once for each creature you control.
  6. Resolve all but one Animation Module trigger, choosing not to pay.
  7. Activate Crystalline Crawler's first ability by removing a +1/+1 counter from it, adding {1}.
  8. Repeat from step 3.[END OF COMBO STEPS]

Result:
  - Infinite creature tokens
  - Infinite enters the battlefield
  - Infinite +1/+1 counters[END OF COMBO RESULT][END OF COMBO]

Other prerequisites:
  - All permanants must be on the battlefield
  - Crystalline Crawler does not have summoning sickness.
[END OF COMBO PREREQUISITES]
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