I expect the Vlade core gets shopped pretty heavily by the deadline and this off-season and would be completely stunned if Buddy plays a game for the Kings next year. But again, that's not the point.
The Kings don't have a player we can realistically project to be a top 15 guy. Fox is somewhere in the top 50 and I think Hali is quickly approaching that range as well. While I have confidence in Davion, he doesn't have that top 15 upside either and probably caps somewhere as an impact starter in the top 75 range. If you think Ivey is that guy, you take him. Simple as that. Don't pass on Joel Embiid because he doesn't "fit" with Jahlil Okafor and Nerlens Noel.