Like in the past games, your Trainer card ranks up if you do certain achievements. Completing each "objective" will change the color of your trainer card. The objectives you have to do are listed below, but you can do them in any order to rank up your trainer card. Credit goes to Serebii.net!
|Purple Trainer Card||Defeat The Elite 4|
|Red Trainer Card||Collect all Pokemon Musical Props|
|Silver Trainer Card||Get a 49 win streak in both the Super Single and Super Double lines in the Battle Subway.|
|Gold Trainer Card||Complete the National Dex|
|Black/White Trainer Card (Depends on your game version)||Obtain all Entralink Powers|