The horror, THE HORROR!

Based off:
https://youtu.be/NivvOANCdAA
https://youtu.be/Db5y-SEJHQI
https://youtu.be/G4IDAdASn2k &
https://youtu.be/CILYv7BmULw

Video source: Equestria Girls ad: https://youtu.be/8FBT8dstUaY

Green screen source: LittleshyFIM, from his GreenscreenPonies channel: https://youtu.be/yk0TVvmCXag