Just evolve a mareep
first you have to guse surf to go to a city and there is a phamacy there
secret potion which you get by surfing to cianwood starting from the beach in olivine
Go west of blackthorn city and in your party have the following Pokemon - Gyarados , Nidoking , dragonite and todile and capture it with a heavy ball
When amphy the ampharos is sick, she'll be at the top of the lighthouse in Olivine City. Surf to Cianwood City and get the Secretpotion from the pharmacy. Then beat the gym there and you'll obtain Hm fly, Fly back to olivine and go to the top of the lighthouse to give the potion to amphy.
Can't get amphy
A house in Cianwood has a guy who give you a Secretpotion. Use it on ampharos.
You can't catch Amphy. Amphy is owned by Jasmine.
You can not catch amphy
catch mareep, then evolve it into flaaffy, then evolve it into ampharos. amphy is ampharos.
in soul silver
Neither. The new game is called Soul Silver, not Silver Soul.
no such thing not in soul silver