Just thought I'd share this offer, as I havent seen it offered before.
I've been looking to add a new Amex to my wallet, so I logged in to see if there were any offers on my account and this popped up. It was under the "Unlock New Experiences With A Second Card" section. As you can see I currently have the Platnium and they have the Gold listed saying Pair you Platnium Card with Gold Card for added benifits and a welcome offer of 60,000 MR points & 12 months 0% APR.