Cogwork Assembler + Crystalline Crawler + Doubling Season + Zameck Guildmage

Mana needed: {2}{G}{G}{G}{U}{U}{U}

GU identity

Commander legal

The 4 combo pieces

How to execute it

  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.

What the combo produces