Nothing happens you just trade him and he leaves and you go on with your Pokemon journey
yes you can just trade like you normally do
No, you most likely have to trade from Pokemon pearl, in my knowledge, at least
Nothing, but if you trade the GameStop Jirachi, you get a new Pokewalker route. And currently, there is the "Yellow Forest" distribution via general WiFi. When you trade pikachu colored pichu to heartgold or soulsilver you are able to catch a rare Pokemon in a forest. I can not remember anything else. It's celebi.
Yes
you can get it by getting a pichichu in pearl trade it to heartgold
you get beldum.
trade that steven dude for an evolved pineco
he gives you beldum, a Pokemon from hoenn. you can't catch beldum from hoenn in jonto or kanto so don't refuse the offer!
No, but you can trade Pokemon only in HeartGold to Black
You cannot catch Beldum in Pokemon HeartGold. However, you can trade for it. After you have gone to Silph Co. and met Steven to get your Hoenn starter Pokemon, you can go back after a little bit to find him again, and he will give you a Beldum if you trade him a Forretress.
you can trade pokemon from heartgold to black but you can only transfer the pokemon in heartgold not trade it from black
yes. you can trade Pokemon from diamond, pearl, or platinum to heartgold or soulsilver.
trade pokemon
no, but use can use poketransfer from heartgold to white
you can trade Pokemon from heartgold and soulsilver to your diamond,pearl, or platinum.
You need to have a Pokemon hold the item then trade the Pokemon.
Trade it or have it as the starter pokemon.