Unlimited Mystery Gifts
Note: This trick requires a Transfer Pak and Pokemon Gold or Silver. Make sure your Pokemon Gold or Silver game is saved at a Pokemon Center. Go to the Mystery Gift option. Use Mystery Gift. Go to Game Boy Tower. Use the "Set time" trick and use your password to change the time in Pokemon Gold or Silver. Change the time one day forward. Go back to Mystery Gift on Pokemon Stadium 2 and use it. Repeat this until you get the items you want.