Originally Posted by
Raffles
Your MR account is standalone to your card account, so the points from all your Amex cards go into the same one
I have two MR accounts, which is somewhat confusing... One for my Plat charge card, one for my Plat MR credit card. The only reason I haven't asked them to merge the two yet though is so I can test to see if they get different bonus offers, though sadly neither has had any yet!