Vayne nerf suggestion

Why not lower her base attack speed but buff her attack speed per level to even out at level 18. So she starts out weaker and ends at the same strength through base stats. However, it will also weaken her synergy with botrk and rageblade since her base attack speed is lower, the items grant less effective attack speed as well. (For some reason I thought vayne was a bad champion this patch, then I checked her win rate lol)