To get Mew you have to beat Red (Ash) on Mt. Silver, then you have to get Raikou, Entei, Suicune, and Mewtwo, then go to the Embedded Tower and Mew is there. Use Action Replay to get Master Balls. It's not cheating even though it is easy to get the Legendaries using Action Replay~ just … Read more
You need the dog pokemon and mewtwo.