How can you create a combo with Cogwork Assembler, Crystalline Crawler, Doubling Season, Zameck Guildmage?
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[START OF COMBO]This combo can be formed with Cogwork Assembler, Crystalline Crawler, Doubling Season, Zameck Guildmage

Color identity: GU
Mana cost: {2}{G}{G}{G}{U}{U}{U}
Steps:
  1. Activate Zameck Guildmage's first ability twice by paying {G}{G}{U}{U}: this turn, each creature you control will enter the battlefield with four additional +1/+1 counters.
  2. Cast Crystalline Crawler by paying {2}{G}{U}.
  3. Crystalline Crawler enters the battlefield with eight +1/+1 counters.
  4. Activate the first activated ability of any Crystalline Crawlers eight times by remove eight +1/+1 counters from them, adding eight mana of any color.
  5. Activate Cogwork Assembler by paying {7}, creating two token copies of Crystalline Crawler, each with four +1/+1 counters and haste.
  6. Repeat from step 4 any number of times.[END OF COMBO STEPS]

Result:
  - Infinite +1/+1 counters
  - Infinite card draw
  - Infinite colored mana
  - Infinite copies of artifacts
  - Infinite creature tokens with haste
  - Infinite enters the battlefield[END OF COMBO RESULT][END OF COMBO]

Other prerequisites:
  - Cogwork Assembler must be on the battlefield
  - Crystalline Crawler must be in your hand
  - Doubling Season must be on the battlefield
  - Zameck Guildmage must be on the battlefield
[END OF COMBO PREREQUISITES]
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