Varus change | E or W spell removed into a 'darkin'teleport
Varus is performing very poorly, has a low winrate, easily countered by Miss Fortune, Jhin, and Ashe. He can easily be jumped on by basically anyone, and to survive/escape, there is always a need of a lot of assistance. I believe the would be solved with his E being changed. His E isn't even that good, his passive isn't really good either, it seems too similar to Jinx's, but weaker. Maybe put what his W is into his passive, and get rid of the active part of it.
His darkin teleport would make him go invulnerable while he is moved to a spot nearby. Now the way he gets there can be different. A couple ideas would him being dragged under ground into the spot and coming back up from the ground, a mini bard E, etc.