Ruby Sightstone Needs an Upgrade Option
That gives it the passive Blackout*on a 3 minute cooldown. This would be a nice alternative to creating a broad, 8th item slot for red wards, and would give more tools for the support to control the vision game. I'm suggesting a double-time CD compared to DB because it needs to have some negative.
Furthermore, supports are already managing a considerable amount of active cooldowns. Putting this in would allow them to stay on top of the vision clearing game without having to maintain an open slot for Reds.
*like 
aside from the power of passive income i think, it "wastes" an item slot.
for more gold and wards then a bigger normal health item or just defensive stats or a mix of both.
to get
.
?
and have the same gold income passives
the only difference is you are combining
to get
as core... the hp is great the armor and mr is good for him... the shields are strong as hell with his naturally scaling hp and from here the build can vary to what is needed for team
ect
builds into both