Its easy to use different cards and passes in Apple Wallet. Some passes can automatically appear based on time and location, like a boarding pass when you arrive at the airport.
If you have a credit, debit, pre-paid, store or rewards card in Wallet that works with ApplePay, just double-click the Home button to open Wallet and use your card from the reader. On iPhoneX or later, double-click the side button. Learnmore
You can also use Express Travel without having to wake or unlock your phone. Learnmore
You can even use your iPhone or AppleWatch as a car key. Learnmore