Posting Freak
Posts: 1,139
Threads: 28
Joined: 2010-09
GTS checks for hacked stats and abilities, not really anything else. There's no real wau to tell without dumping the .pkm file and running a legit checker on it. Even then, Pokemon that are hacked really well will slip pass.
What are you trading it for? GTS is filled with hacks, so most likely.
Posting Freak
Posts: 3,085
Threads: 178
Joined: 2010-09
Gender: Neuter
Country Flag: ireland
IGN: Stephen
Server: U.S.A.
Level: 25
Job: Sailor
Guild: USN
Guild Alliance: VAQ-141 Shadowhawks
The fact you got a starter pokemon in a non-basic pokeball should be prime evidence for it's legality.
Posting Freak
Posts: 13,609
Threads: 249
Joined: 2008-07
Gender: Male
Sexual Orientation: Straight
Country Flag: New_Jersey
IGN: ClawofBeta
Server: LoL.NA
Level: 30
Job: Bot Lane
Guild: N/A
Guild Alliance: N/A
If you really want a shiny Meganium you could just soft reset Heart Gold/Soul Silver. You gotta look up where to save though and it will take a day (or two if you're unlucky or are slow).
Posting Freak
Posts: 6,230
Threads: 64
Joined: 2008-07
coulda been action replay-d. Not really haxed if you catch it with a masterball then use a code to make the pokemon shiny. Still haxed to get it though.
If anything, you can make a perfectly legitimate looking shiny meganium by using an editor. Dunno why they put it in a masterball though o_O
Posting Freak
Posts: 1,721
Threads: 17
Joined: 2009-07
Gender: Male
Country Flag: usa
I remember if you completed the Hoenn dex in Emerald, you could get a johto starter.
Masterball is suspicious as hell though.
Senior Member
Posts: 647
Threads: 3
Joined: 2010-09
Unless you could choose which ball the starter pokemon was in after you finished the Nation dex and obtained it, it looks hacked. Should be in a poke ball.