Gamechanger Audio Plus Sustain

Fender Deluxe Reverb

Fender Deluxe Reverb leans toward spring, and that's a real, usable character to pair with

Fender Bassman Combo Amp

Fender Bassman Combo Amp leans toward transparent, and that's a real, usable character to pair with

MXR Distortion+

MXR Distortion+'s own compressed character is the real reason this is worth trying

Univox Super-Fuzz

What Univox Super-Fuzz brings here leans toward octave — that's worth building a pairing around

Roland SDE-3000D

Run Roland SDE-3000D after Gamechanger Audio Plus Sustain in the signal chain, clear of Gamechanger Audio Plus Sustain's own gain stage — goes in the amp's FX loop (or last, into a clean amp)

Walrus Audio Mako D1 High-Fidelity Stereo Delay V1

Walrus Audio Mako D1 High-Fidelity Stereo Delay V1's pristine voice goes after Gamechanger Audio Plus Sustain in the signal chain — it's not there to compete with Gamechanger Audio Plus Sustain's own sustaining character — goes in the amp's FX loop (or last, into a clean amp)