From the product page:
FX include Hall Of Fame 2 Reverb, Flashback 2 Delay, Sub n Up Octaver, Brainwaves Pitch Shifter, Corona Chorus, Hypergravity Compressor, Mimiq Doubler, Vortex Flanger, Pipeline Tap Tremolo, Quintessence Harmony, Sentry Noise Gate, Shaker Vibrato, Viscous Vibe, Helix Phaser, Tape Deck Looper
Lack of drive and filter rules it out for me as a multi fx, they’re the most important effects to me. Even if you were happy to have those as separates, you would be forced to have them before or after everything in the Plethora.