Fight Mobility Creep

I enjoy playing champs such as Evelynn, Wukong and Jax. As well as some Malphite and Galio. These champs all have a mobility skill but just not quite enough.

So I came up with a utility build for all of them. Off the bat I have-> 15% cdr runes + 10% cdr masteries (in a 4/7/19 masteries build) = 25%. I would often get Lucidity boots asap too for an early 40% cdr. I also rank up the Mobility skills of these champs a little if it will lower the cooldown of those skills. I sometimes postpone Lucidity boots if I have access to blue... or may even buy an elixer.

Evelynn's and Wukong's W is up constantly... Jax can jump on wards/creeps to escape more efficiently. Only then do i feel sufficiently safe enough and have adequate mobility. I compensate the stats lost in other ways. Do u guys think this is viable?

Anyone else has other solutions for immobile champs to counter mobility?