Much to my dismay, Riot has confirmed that "heavy" nerfs are coming through for League of Legends' new dual support item strat; I might cry.
A brief history of League of Legends meta, by MoreLegends
League of Legends Patch 12.4: Renata Glasc arrives, Zeri nerfed
10 Best Champion Builds for LoL Patch 13.21
5 Best Mids to Climb Ranks in League of Legends Patch 13.21
League of Legends Patch 12.12 nerfs Bel'Veth and Zeri
Riot is “heavy” nerfing League of Legends' OP support item combo
Surrender at 20: Blade of the Ruined King is getting nerfed.
League of Legends Patch 12.12b nerfs Bel'veth and Zeri again
Patch 14.1 Notes
League of Legends Archives - ClutchPoints
League of Legends: All the item changes in Patch 12.11