Cost reduction to Greater Stealth/Vision Totems will make Sightstone/RSS obsolete.
Greater Stealth Totem Cooldown reduced to 60 from 90 Cost reduced to 250 from 475
Greater Vision Totem Cooldown decreased to 120 from 180 Cost reduced to 250 from 475
Looking at this change for GST, I am thinking that if this goes through, my Nami/Janna/etc. games are going to start ignoring Sightstone in favor of better health items. 800 gold for 150 health and 4 Ward Charges, IMO, is not going to feel like a good investment anymore for Supports.
Unless Riot is planning to simply phase out Sightstone/RSS entirely, these two items need to be better for their cost. Their only present advantage over Totems, one that arguably isn't cost effective compared to just buying several Sight Wards, is planting multiple wards at once. But when you compare that later on to a free Sight Ward every minute, that does not seem useful.
But besides just cost-efficiency, SS/RSS are already REALLY slot-inefficient. 150/400 health for such a cost is not good compared to items like Randuin's, Rylai's, etc. The fact that such items take up one of your valuable slots just makes them feel worse, IMO.
In all, Riot, I need to ask what is being done about Sightstone/Ruby Sightstone. Are they going to simply be removed or replaced? Or are they going to be reworked?