with action replay codes you can catch any you like including mew and so forth
there are codes for rare and legendary pokemon.
You can get anything with Action Replay, with the right codes that is.
NO you need action replay
You cannot catch the legendary palkia on pokemon platinum but however you can use action replay to get it (most likely cheating)
Use Action Replay
If you migrate Pokemon or have an action replay If you migrate Pokemon or have an action replay
Yes you can catch legendary's as many times as you want but you need a gameshark or action replay
Use the code on an action replay
Buy a action replay and then downlode the cheat onto the action replay. Put the action replay in the game slot then put Pokemon in the action replay. After that you pick the Pokemon game you are playingnthen start the game and then you will be able to catch trainers Pokemon.
the rerest Pokemon would be a cresselia or a giratina you will need an action replay to catch any other legendary Pokemon
there is no disc its just a chip u put in the ds to catch legendary Pokemon (dialga palkia giratina etc) or normal Pokemon. you have to type in a code for the Pokemon so u can battle it
it helps you go back in your game if you didn't catch a legendary Pokemon