With the merger of the Marriott and SPG hotel portfolios, there is a new opportunity to earn hotel rewards. Existing American Express SPG and Marriott Rewards credit cards will remain open for current cardholders. The rewards program is changing and so are the credit card benefits, but there are also new credit cards being issued. The American Express SPG Luxury Card is rumored to launch on August 23, 2018, with some really enticing benefits. Read on to learn about the changes to your favorite cards.