platinum get arceus this year from a Nintendo event, get someone to trade you one from a platinum game
action replay
You can't catch Mew in Platinum without the help of an Action Replay or going to Nintendo Sponsored Event, Sorry.
You can't without an action replay
When Pokemon Platinum came out, Nintendo prevented Action Replay from making cheat codes for platinum
where to find a azure flute without action replay and cheating in pokemon platinum
you need Nintendo wfc connection or action reply on ds
only with action replay!!! there is no way without action replay
you use an action replay
Mystery Gift.
You can't.
You either have to migrate Pokemon or receive them in trades