Which effects pedal would you recommend to work with the Digitone and Digitakt?

[plragde]

See this thread.

What effects pedal/device would you get to work with the Digitone for ambient music?

Hello, I have the Digitone/Digitakt and love them, the DT is great for ambient music, but I wondered what extra device I can use with it to create ambient music, I see some use reverb pedals that change and evolve things drastically. I see some use the Big Sky. What do you use? Thanks