Your opponents may counter, destroy, or steal him, and if your entire deck revolves around him, you'll be dead in the pool
Since it costs three mana and suspends with three time counters, you generally wont be able to cast Inevitable Betrayal until turn six in most cases, but thats still fine depending on which card you get from your opponent
I could see it having a bit of upside, especially when Kaladesh is out of print, but not enough upside to want to drop $200 on it
And then I started using the tool
However, there are potentially better cards like Strangleroot Geist or Experiment One that offer more consistent value and resilience in combat, making them more suitable choices for competitive play over Skarrgan Pit-Skulk
Powder Ganger is pretty medium, unless you care about Rogues or Party at which point youll invite him and all his friends over for a dynamite time