Use action replay
action replay
Not without cheating
Mystery Gift or using Action Replay
you cant.
Using an action replay.
get it in mystery gift
Use action replay.
using cheats
With the Japanese event or mystery gift
There is no way to get Mystery Gift without using the Wireless Adapter. Sadly, the events for Pokemon Emerald are expired and there will be no more events for this game.
You can get it by using action replay or gameshark
There is not code to get one without amember's card. Well there is. Go to mystery gift and search