Gravelord Azir is slightly P2W.
Hello all, I am Drift God, your resident Azir main. I've been playing the champ on both of my accounts through all of the buffs and nerfs, and I'd say I have a fair amount of knowledge with him.
Something I noticed about this new skin, is that it isn't just a 1350 RP skin. You see, Azir himself is a really buggy and messed up champion. The new skin, however, has graphics and visuals that actually greatly aide one's ability to use sand soldiers. If any Azir players know what i'm talking about feel free to add to this.
I'd describe it as a much more 'crisp' feeling. With the default/ galactic skins right now, Qing onto a target from a range has a very weird and misleading feel, and it can often times seem that you missed when you really hit.
I know this sounds like one of those 'psychological' things with skins, but trust me: I own so many skins i'm unphased by their effects. I actually notice a very strong difference between this skin and default, though. I don't find this suprising, as Azir has been coded very oddly, and is very volatile to a bunch of bugs and improvements from just about anything (dat Jayce accelerator gate though :P).
TL;DR - Azir's new Gravelord skin will most likely improve your gameplay with Azir, and the general feel of the champion, beyond the effects of just owning a skin. Therefore I can conclude this does go down in the list of P2W skins (Which include ones like Pulsefire Ezreal and iBlitzcrank. Funny these skins are all high cost right?).