More interactions with walls

So off the top of my head I can think of, Stun Hook Condemn Dash thingy... lol Ulti

Some of these are practically the same, you hit the target then the wall or things along those lines. What if we had more diversity? For example bouncing skill shots off walls for new champs? Or a dash off a wall or just other things like that. I'm not the most creative person when it comes to this type of stuff but I would love to hear what the community has to say. Having more things that interact with terrain would promote more diversity and over all mechanics to the game. Say for example, we took the bouncing skill shots and applied to someone... say sivir for this example (but normally a new champion). She could bounce the boomerang off the wall so it could get champions around a corner. Yes I know it already goes over all terrain but im just saying examples like that. This could promote some very sick plays and mechanical outplays. So creative community... what do you think?