Pedals that stack with the Boss Nextone Artist

Behringer UT300

Run Boss Nextone Artist into that low gain platform and it finally gets some high gain

Crazy Tube Circuits Mirage Dual Reverb

Keep the Mirage in the Nextone's loop — ambient, swelling reverb textures the amp's own British crunch doesn't offer on its own. — goes in the amp's FX loop (or last, into a clean amp)