Pedals that stack with the Eventide TriceraChorus Tri-Stereo Chorus

Fjord Fuzz Berserk

The low gain tone has headroom to spare — Fjord Fuzz Berserk gives it fuzzy to fill it with

EarthQuaker Devices Dirt Transmitter

Run EarthQuaker Devices Dirt Transmitter into that low gain platform and it finally gets some fuzzy

Empress Echosystem

Empress Echosystem's pristine voice goes after Eventide TriceraChorus Tri-Stereo Chorus in the signal chain — it's not there to compete with Eventide TriceraChorus Tri-Stereo Chorus's own modulated character — goes in the amp's FX loop (or last, into a clean amp)

Keeley Halo

Put Keeley Halo after Eventide TriceraChorus Tri-Stereo Chorus in the signal chain, clear of Eventide TriceraChorus Tri-Stereo Chorus's own gain stage — goes in the amp's FX loop (or last, into a clean amp)