Hi guys, it's me Fozker.
As you know, Unova now is the best region for training (EXP and EV).
So I represent this video-guide to help you understand all spots where you can train EV (horde) effectively.
The video in youtube, click to play : Youtube
►Train EV HP : Icirrus City
►Train EV ATK : Opelucid City ► Route 9
►Train EV DEF : Pokemon League ► Victory Road cave (You must you Sweet Scent in the position in the video to get 100% Durant horde)
►Train EV S.ATK : Lacunosa Town ► Route 12 (Light Grass)
►Train EV S.DEF : Seven Island (Kanto) ► Trainer Tower
►Train EV SPD : Lacunosa Town ► Route 12 (Dark Grass)
Finally, hope it helps you, trainers.
See you in PokeMMO.