Soraka and Sona "top" is only a symptom of a underlying problem, and here's the key issues leading us to this point: : r/leagueoflegends
EASY 100% WR Soraka Top Guide + Best Build/Runes | Soraka Top Guide Season 11 League of Legends - YouTube
Top Soraka was nerfed, but Support Soraka was deeply and maybe permanently hurt by a new set of design choices that, once again, went against her public design philosophy. Riot, Let's talk
League 10.4 update patch notes: Soraka, Sona top nerf, Aphelios balanced - Dexerto
Riot plans to nerf top lane Soraka into the ground in League's next patch - Dot Esports
NUCLEAR ONE-SHOT SORAKA MID! THE MOST BROKEN GOD-TIER ASSASSIN! League of Legends - YouTube