Pedals that stack with the Line 6 Spider V 30 mk II

Klon KTR

Run Klon KTR into that transparent platform and it finally gets some medium gain

Walrus Audio Voyager Mk II

The transparent tone has headroom to spare — Walrus Audio Voyager Mk II gives it mid-forward to fill it with

Sola Sound Tone Bender MkII

Run Sola Sound Tone Bender MkII into that transparent platform and it finally gets some fuzzy

Ibanez CS9 Stereo Chorus

Put Ibanez CS9 Stereo Chorus after Line 6 Spider V 30 mk II in the signal chain, clear of Line 6 Spider V 30 mk II's own gain stage

Seymour Duncan Vise Grip Compressor

Seymour Duncan Vise Grip Compressor's transparent voice suits Line 6 Spider V 30 mk II's own transparent character

Walrus Audio Mako R1 Reverb MkII

Run Walrus Audio Mako R1 Reverb MkII in Line 6 Spider V 30 mk II's effects loop, clear of Line 6 Spider V 30 mk II's own gain stage — goes in the amp's FX loop (or last, into a clean amp)

EarthQuaker Devices Towers

Keep EarthQuaker Devices Towers in Line 6 Spider V 30 mk II's effects loop, clear of Line 6 Spider V 30 mk II's own gain stage — goes in the amp's FX loop (or last, into a clean amp)