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Original Description:
 
Inspired by Spider-Man: No Way Home and the Broadway musical Six, I am formulating a new group. Luster Dawn uses a spell to travel through time and space, and brought together five other unicorns who were closest to Twilight Sparkle. They go to the Equestria Girls world to get Sci-Twi into shape. They can also have their own band.
 
Who do you think should be the sixth member? They have to be female, they have to be a unicorn, they got to be close to Twilight, and they have be part of the G4 franchise (FIM, EQG, Specials, Movies, Pony Life).
 
Sunset Shimmer and Trixie don’t count. Sunset has cemented herself as part of the Rainbooms, and Human Trixie already has her own band.