Infinite card drawInfinite colored manaInfinite copies of all artifactsInfinite creature tokens with hasteInfinite creature ETBInfinite +1/+1 counters on creatures you control
How it works
Activate Zameck Guildmage's first ability twice by paying : this turn, each creature you control will enter the battlefield with four additional +1/+1 counters.
Cast Crystalline Crawler by paying 2.
Crystalline Crawler enters the battlefield with eight +1/+1 counters.
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.
Activate Cogwork Assembler by paying 7, creating two token copies of Crystalline Crawler, each with four +1/+1 counters and haste.