Bringing back the tank supports; Reinstate Promote

Redemption, i'm happy to say, has reinvigorated the Support role. It really is a magical time where the hard carries are crying because "Supports suck and can't carry" but somehow "Redemption prevents all of my kills."

I don't have a dog in that fight, really. I play tank supports by trade, and even though we're currently in the hurt locker, I do have fun. Having said that, we need an item that gives us some breathing room in the laning phase so we don't get dumped on early, and so our mobility isn't an issue late game. To this end, i'm recommending a 4th GI item that has a Promote active.

I'm aware that Promote was removed because of absue. But it would give us the ability to push the lane a little more safely in our poke meta, and make up for our lack of mobility with some late-game split potential. I'd recommend gating it in the same way Jungle items are. I.e. create a summoners that allows us to buy this item, but that wouldn't greatly benefit other roles.

Typically, the burden of a lost Summoners, and an item slot gone prevents people from taking things.