Exploring the idea by Nick Batt and Matt Hodson of using a reverb as an oscillator. Nick mentioned Clouds so I decided to test Zoia's granular module. And it works great with the Deluge. Although you need to tweak the grains and levels to avoid clipping.
Here's the Sonic Talk episode where they talk about this: https://youtube.com/watch?feature=youtu.be&v=4BVe9fLOqvU&t=41ms40s