Three New Skins Added In Riven Patch

Here are the new skins, added in the Riven patch, for Singed, Kog'Maw, and Malzahar.

Mad Scientist Singed

Deep Sea Kogmaw

Overlord Malzahar

Images taken from /r/leagueoflegends.


Edit:  According to lol-game.ru, there is also a new Mordekaiser skin.

Dark Crusader Mordekaiser