So I was thinking it'd be neat to own a Pokemon Trainer card that is designed like a credit card. It has the friend code number on it, as well as the Trainer in game ID number, a picture of your trainer. I was thinking that if the magnetic strip were to be scanned, it could hold information about your PC boxes and what Pokemon you've seen and caught, basically a Pokedex in and of itself. On the back is your 3DS Mii as well as your Mii QR code.

EDIT: Updated the card layout to point out what is included and where. The back still looks sort of empty in the lower left corner. Not sure what to add there. Added a classing system and a legend for them.
Tried to order the Class system from least to greatest, in a sense, as it goes up the scale, more knowledge of the game is required, as far as I'm concerned. I chose "Explorer" as the fourth Bronze level, because someone who is trying to explore and get the feel for the game, and is really starting to get into it, feels like a very casual level to me. If you disagree, please feel free to give other suggestions.
EDIT 2: Added the selection of multiple colored backgrounds, based on the Trainer ID colors from the games.

Please give me any suggestions you may have, and I'll see what looks best as far as changes!

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