If you are not using the card, the bank may not include it on the latest statement, which causes the card to not be updated on the homepage. Now you can mark the card as inactive ...
Unfortunely, you cant change the card sequence now. The card sequence is now sorting by the payment due date who is going to reach first on top.
If you have received a new card with a different last 4 digits number (to replace your old card), and after you send the latest statement, you will see it as 2 different cards. No ...