you have to trade for alot of them, train alot of them to evolve, and use evolution stones.
the best way is to buy ruby and sapphire or emerald
its impossible!
Well here are some ways. These are truthful seeing how i beat all the Pokemon games.including ranger and pearl and i have manaphy. what you do is u need to catch all the unrare ones and the common...
200 Pokemon is all the emerald Pokemon to get more beat elite four and get national dex