American Express is having a few of these offers lately. This one is targeted and it comes in two version. The one pictured below is the best one, as it offers you the most points. (HT: travelcodex). It will give you you an extra bonus of 10,000 MR points on top of whatever you earn from your card, if you spend $6,000 before November 15th, 2016. You need to Enroll by August 31st.
There’s also other versions of the offer, 7,500 MR points with $4,500 spend. This offer also nets you 1.67 extra MR points per dollar when maximized. The same 7,500 MR bonus is also showing up with $6,000 spend.
DoC also reports another offer for 1% bonus cash back after $750 in purchases, up to $75 back. That one is showing up on the Blue Cash and Blue Cash Preferred cards.
To check if you were targeted, go to this link and log in with your account or card information. If you’re not targeted, you’ll see “We’re sorry. This promotion is only open to invited Card Members”.