Self mystery gifting, now available for a limited time!

That's right folks, from now until September 28th, you'll be able to pick up a mystery gift for yourself! Remember, mystery gifts cost 490 RP and can give you ANY skin.

Riot's official post, by UDYR.

"Mystery Skins are back for a limited time so get them while they are hot!

Purchasing a Mystery Skin will unlock an unowned skin worth 520 RP or more. As with the previous rounds of Mystery Skins, you can only unlock skins for champions you own.

Mystery Skins will be available in the Skins tab of the store for 490 RP and are limited to five per day. Check out Mystery Skins from September 25 to September 28 23:59 PST!"

-UDYR