ximg_5bbf97fc915f8.png.pagespeed.gp+jp+j

Apple Pay lets you add multiple credit or debit cards, and you can choose between them after double-clicking the home or side button to pay. Here’s how to change the default.

Source: https://www.howtogeek.com/369484/how-to-change-your-default-card-in-apple-pay-on-iphone/