Soraka Expert Video Guide from the best Challengers for Patch 13.1
Soraka has a 50% winrate again this patch so it seems like she's reached a pretty good balance spot (compared to her 46% winrate in 11.1) : r/SorakaMains
Soraka Support Build, Runes, Counters (Patch 13.03) - OP.GG - League of Legends
Riot August: "Soraka will Probably be Nerfed Pretty Hard, Right Now It's Actually the Strongest Champion to Play in Top Lane" : r/leagueoflegends