Someone has already done the grind for you. You can download a for each game.
If the game is not installed in the default directory, players must manually edit the file to match their specific Backwards Compatibility: yu gi oh power of chaos all cards unlocker
Over the next two weeks, Leo stopped looking for shortcuts. He dueled Joey 50 times. He learned to win with his weak deck. He saved DP. He looked up passwords online (legitimate ones from card databases). One by one, he typed them in. Someone has already done the grind for you