Although Kaladesh was a pretty well-received set when it was in Standard, its been out of print for quite some time which can lead to the prices for singles (including Inventions) being pretty high
Average mythic only $6.47
You might have recursion lines that make this worthwhile, or indestructible creatures that don't interact as favorably with Path
Each Aura and Equipment that phases out attached to a permanent that's phasing out phases in with that permanent and is still attached to it
Past that, if you play the 93/94 format, there are few other creatures better in black
Getting benefits for opponents doing things is usually whites thing (Monologue TaxMonologue Tax, Charismatic ConquerorCharismatic Conqueror, Smothering TitheSmothering Tithe, etc.), but this is actually a callback to the red card Harsh MentorHarsh Mentor, which deals two damage to opponents for using activated abilities