The Marriott Bonvoy Brilliant™ American Express® Card offers Bonvoy devotees, frequent travelers and big spenders a selection of luxurious benefits. A replacement for the Starwood Preferred Guest® American Express Luxury Card since early 2019, the card is the most high-end member of the Marriott Bonvoy credit card family. How this card compares with more down-to-earth options... Sara Rathner is a writer at NerdWallet.