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The Trainer Cards, they always show your position through the game, Time, Pokédex Amount, Cash among other things. However many are confused about how to upgrade the Trainer Cards. However it can be done in any order and not just in the way and order stated:

Front Of Trainer Card

Picture
Description
Normal Green Card:

This is the first card you get, you need nothing to get it as its there at the start.

Bronze Card:

This Card is obtained after you get your 1st Trainer Star The First...Obtained by Beating the Elite Four

Copper Card:

This Card is obtained after you get your 2nd Trainer Star. This is obtained by getting 200 Pokémon in your Pokédex

Silver Card:

This Card is obtained after you get your 3rd Trainer Star. This is obtained by getting a 100 Win Streak in the Battle Tower

Gold Card:

This Card is obtained after you get your 4th Trainer Star. This is obtained by beating all 5 Types of Contest at the Master Rank Level

Back Of Trainer Card
  • Shows Time You 1st Beat the Elite Four
  • Shows your Win/Loss Ratio for Link Battles
  • Shows how many times you have Traded
    		•
  • Shows The amount of times you have made Pokéblocks with friends
  • Shows how many 4 Player Contests you've won
  • Shows your Battle Tower Wins and Streaks