with an external drum machine you might want to go with pedals for the distortion/fuzz/overdrive and the compression (to free more space in the rack) and a continuously variable filter - so that you can go from low-pass to high pass and all places in between

"some of the best base-level info to remember can be found in Jim's sigfile" @Lugia

Utility modules are the dull polish that makes the shiny modules actually shine!!!

sound sources < sound modifiers < modulation sources < utilities