I searched for all the recently released Lux and katarina Hentai I could find and put them in an order.
If you find more, feel free to comment it and I will add it.
Here are the Artists I remember:

https://www.pixiv.net/member.php?id=5337184
http://pixelannex.tumblr.com/
http://abysmal0.tumblr.com/
https://parsujera-nsfw.tumblr.com/
http://nano-less.tumblr.com/
https://silent-fly.tumblr.com/
http://sunsetniva.com/
http://www.hentai-foundry.com/user/sulkpuffer/profile
http://www.hentai-foundry.com/user/Mstivoy/profile
https://aethosart.tumblr.com/
http://osatox.tumblr.com/
https://shadowfangz-hf.tumblr.com/

I definitley forgot some, comment them so I can add them.
Enjoy!

Did one person commission all of these are something? There seems to be a common theme here.

Base +7, HodorHodor +8, shutupanddrive +2

@Oneof8000men I'm the commissioner of these.

Base +7, Qwerty Bam +6

-> /g/1257527/dd537eb598/ (this one is aged)
*casts L7 Major Blessing on Blue Exile and all currently unblessed artists*

Base +35