4 Assembly-Worker (TSP) 248
4 Cogwork Assembler (AER) 145
4 Foundry Assembler (AER) 151
4 Mishra's Factory (PLIST) 302
4 Mishra's Self-Replicator (DOM) 223
4 Self-Assembler (KLD) 232
4 Urza's Factory (TSP) 280