I tried making a gengar, legit, and good enough to sweep through the battle frontier. I downloaded the PKM file from the PKM files list. After I made the necessary adjusments, the legality checker told me it was an uncommon GBA pokemon, that came from Platinum. Is this legit?
Online legality checker report:
(
[file] => ./tmp/gengar_d8623022a269c4e1c06119e84cbb06d0.pkm
[pokemon_id] => 94
[pokemon_name] => Gengar
[pokemon_data] => Array
[checksum] => 0xEC23 - Valid
[pokemonid] => 2516448991 - Mild, Male, Ability 2, Not Shiny
[ivs] => 31,15,20,30,30,30
[trainerid] => 46176
[secretid] => 5146
[trainersex] => Male
[hiddenpower] => Fighting - 67
[fateful] => No
[gendercheck] => Valid
[ev] => Valid
[nicknamed] => No
[hometown] => Sinnoh [Platinum]
[countryorigin] => UK/US/AU
[type] => Uncommon GBA
)