Originally Posted by beachmouse

If you don't need the card slot elsewhere, the AX Eveyday is a useful card to keep and run a token $10 autopay through the card every month to preserve MR points as well as for the occasionally good promo offers and the ability to keep earning MR points through the Rakuten portal. (As long as you have a MR points-earning card attached to your Rakuten account, you can actually pay with any card you want and still get the Rakuten side MR points from the transaction)