Special Card Passwords
Enter the number codes at the Password screen to get special cards.
You'll still have to pony up the Star Chips to purchase them, but
at least they'll be available.
Blue Eyes White Dragon : 89631139
Celtic Guardian : 91152256
Deep Sea Shark...
Cheat mode
Press I, Select, Select at the title screen, then hold Down and press II, II, Run. A cheat menu with view all opponents, view game endings, and music test options will appear.