Since Team Rocket specializes in Poison-type Pokemon, I'd say you use Ground-type.
All you have to do is beat the Rocket Leader...whoever it is ...I can't remember
There are plenty of things to do on Pokemon Heart Gold, though the main thing to do are to beat Team Rocket, Beat the Pokemon League Champion and collect all 16 Pokemon Badges. Jacko25
After you beat pryce in mahogany town
you go to the bridge north of cerulean, beat the foreign team rocket guy then he should tell you where it is
With Pokemon.
in mahogany town beat team rocket then go to goldenrod city and beat team rocket there too then you get the silver feather or if heart gold you get the rainbow feather see i know this because i beat the game already
In the team rocket warehouse after you beat archer.
you try your best to do it
you have defeat team rocket in golderonlr city
Pikachu
You beat Team Rocket in the Radio Tower. And then the Owner of the Radio Tower or whatever he is gives you the Rainbow wing at the top of the Tower.
go to prefacer.oke then you get one stear pokemon