The trick is to use a random midi notes generator to trig a sampler full of that kind of sounds.
Here is a tuto I made for my reel:
You can use Reaktor instead of Bidule.
I believe there are some plugins that allow you to use a combination of altered pitch, volume and cut to more efficiently lay effects with variance so you don't fall into the trap of repeating the same effect over and over again.
Check out https://www.krotosaudio.com/products/reformer-pro/ and see if that helps.