AMEX Green has recently seen an all-time-high welcome bonus. Via refer links, you may be able to pull up an offer for 50,000 or 60,000 MR points. Oddly enough, newly approved AMEX cards seem to be showing a strange phenomenon: the Clear and LoungeBuddy reimbursements on the AMEX Green are appearing in AMEX Offers. Readers who recently applied for the Green can go take a look; this shows up on both the website and the mobile app, and the offer expiration date is listed as December 31, 2099. These two offers appear to have been added automatically.
Several AMEX Green cards that I helped family members open all show this phenomenon, but a few of my own older cards do not, so I would guess everyone is seeing the same thing. This "bug" seems limited to cards opened recently. When you click into the offers, the content is all listed as NA: