2v2 gamemode

How come snowdown showdown 2v2 isnt a permanent gamemode? I miss it from last year. I was hoping they would bring it back this snowdown (which makes me believe that URF might not come back in April either, but i digress....(rito pls)) Sometimes i want to que up with a buddy and tag team fun comps without having to do it in bot lane you know? and (Haha.. ViSion get it...?) Just saying, it would make a very satisfying permanent addition to the game...