WWDD= What Would Dave Ramsey Do?
Help those that need the help. The rest of us can take his advice we find applicable, and be adults and ignore the advice we find grandmotherly.
As to the OP, Discover Card has been great for me, but not so good in Europe...
Here's some help choosing the right card for you:
https://www.nerdwallet.com/credit-cards#
https://smartasset.com/credit-cards/find-my-card
Compare the Best Credit Cards at Credit Card Selector