I already went ahead and added the tag, but would this not count as third-party edit seeing how Caesar's tachie is lifted straight out of her 2018 Halloween costume on GTO?

Jnglmpera said:

I already went ahead and added the tag, but would this not count as third-party edit seeing how Caesar's tachie is lifted straight out of her 2018 Halloween costume on GTO?

Yes, that would be a correct use.

Glory !

also: https://en.wikipedia.org/wiki/Legio_X_Equestris