Pyke should not be a "Support" (don't hit his mid lane, hit his bot)
From this patch's notes: "League's assassin support has become a problematic mid laner despite relatively reasonable performances in bot lane. The nerfs below are all tailored to hit mid Pyke hardest, whether by the strengths mid laners need (protection against burst magic damage; waveclear) or by the strengths Pyke has an easier time accruing in mid (level scalings)."
ASSASSIN SUPPORT is an oxymoron. Simply boosting team gold further than a kill should normally give does not make a champion a support. Changes should be made to take him out of bottom lane and place him mid/jungle instead. Take away the gold boost and adjust his scaling. His kit is cool and fun to play, that's for sure. But he is not a support.
The fact nothing in his kit is supportive to the point that they had to add the gold share in the first place is testament to this. He's a good assassin. He's fun to play and his kit is mostly coherent. But that doesn't make him a good support. All it does is screw up a team comp because the team is missing one of the three support subclasses by having him where an actual support should be.