Yes you need Groudon, and kyorgre to get rayqaza
You need lugia to get hoho
thats all i know of
No it is not.
no he isn't the legedary Pokemon in soulsilver are: lugia,entei,raiko and suicune otherwise no magmar is not a legendary.
NO
Lugia
lugia
You can't breed legendary Pokemon eggs on Pokemon SoulSilver or on any Pokemon game.
on any legendary(just that it should be a strong or rare legendary)
yes you can
Moltres is the only legendary Pokemon in Mt. Silver for HeartGold / SoulSilver only.
Nothing happens after that. You just caught the three legendary roaming Pokemon in the Johto Region.
I believe the Pokemon would be Rayquaza.
Sadly, this Pokemon is unavaliable through out normal gameplay