What is your goal with that rack? Is it for recording, performance, general purpose? Are you planning to play single riffs through it or run whole tracks through it? One thing to keep in mind is that Clouds is the only stereo processor in the rack, so you’ll be squashing the OP-1 down to mono for Ripple and ILFJ.
ILFJ imparts a lot of specific color - which you can tone down of course, but it does what it does. The compressor side is handy too, though most people aren’t buying it for that. I will add the levels from it are particularly hot, so you’ll probably want to run it through something with level control (which Clouds does have!). The output module has a lot of possible alternatives, that’d be the first thing I’d change.
As is the rack would have to be extremely hands on, as you don’t have any sources of modulation.