Mythical Collide

Horses: hikari-kirin.deviantart.com/ar…
Background: mirellasantana.deviantart.com/…
Wings: romanticfae.deviantart.com/art…
Unicorn Horn: www.deviantart.com/art/Unicorn…
Horse mane and tails: www.deviantart.com/art/Grey-Ta…, www.deviantart.com/art/Curly-M…, www.deviantart.com/art/Curly-M…, and www.deviantart.com/art/White-T…
Lighting effects: www.deviantart.com/art/blackri…
Mist: lwsypher.deviantart.com/art/pr…