To dream of credit cards symbolizes your ability to attain or experience what you want in life with little effort, or worry. It reflects your level of ease having power, opportunity, or pleasure.
Using a credit card means you or some aspect of your personality is able to do whatever it wants to achieve it a goal without trouble.
To dream of evil or bad people with a credit card may symbolize negative aspects of your personality that are creating negative experiences in your life through bad choices, or excess.
To dream of losing your credit card represents your feelings of not being able to do what you want in life, or feeling limited.
Example: A man dreamed of having to give up his credit card. In waking life he was experiencing a financial problem that required him to be more careful with spending money.