To not waste too much time, which Exotic Catys were NOT worth the squeeze?

Tried my hand at Ruinous Effigy with the Mantle of Battle Harmony, I found a decent combo with the void/trace rifle perks on the Tablet of Ruin artifact. However, the gimmick with the balls is kinda ehh even with the catalyst. Not sure if I’m using it wrong

Just doing runs of unlocking catalysts for my other exotics, but I’d like to hear everyone’s disappointment in ones that weren’t worth the trouble