only one.
unless you trade with other versions that have some (as in Pokemon holding masterballs and then trading it to your game)
heartgold but you can get vulpix in soulsilver
HeartGold and SoulSilver are DS remakes of Gameboy versions Gold and Silver.
you can't get to any of the Sevi island in Pokemon Heartgold and soul silver
go to walmart
No, not yet anyway.
no heartgold is kyogre
There is latios and groudon.
you cant but you can trade it from Pokemon soul silver
Arceas has to be caught in Pokemon diamond, pearl, or platinum, then traded to Soul-Silver and HeartGold.
The only you can get unlimited masterballs is to use an Action Replay deivce. It's sold at places like Walmart.
Pokemon Heartgold and Soul Silver are currently available, if you cannot find it I recommend you buy it online.
Pokemon Heartgold.