If they did, they would earn 50K Citi ThankYou points, 55K Chase Ultimate Rewards points, 50,000 AMEX Membership Rewards points, 35,000 Starpoints and 2 complimentary nights at any Hyatt worldwide, not to mention $ 500 in airfare credits ($ 250 in 2016 and $ 250 in 2017) for the Citi Prestige; $ 200 in airline incidental credits from the AMEX Premier Rewards Gold ($ 100 in 2016 and $ 100 in 2017); a $ 100 Global Entry fee credit; Admirals Club lounge access from the Citi Prestige; (travelsort.com)
Some of the notable cards are $ 100 Airline incidental credit with Amex Premier Rewards Gold card $ 200... (takeoffwithmiles.com)
Making effective use of airline incidental credits is important if you want to reduce the effective annual fee of high risk / high reward cards like AmEx's Platinum cards. (milenomics.com)