You dont
Chat with our AI personalities
Magmar in the Safari Zone then trade it while holding the magmarizer.
You cant, You can only get The "Magmarizer"Unfortunately, the only way to find an electrizer in Soul Silver is if you use the Pokewalker. I don't know the route or the number of steps to get it, but if you go on seribii.net then you can find out.
in soul silver
you don't have friend codes in soul silver.
Zorua is a 5th generation Pokemon it is not available in soul silver.