Cards and tea leaves are divination tools, not psychic abilities.
Read my article on the difference between ego, logic, guides and intuition for how I think these all factor in to make a good life.
How To Tell the Difference Between Your Ego, Logic, Spirit Guides and Intuition
There are many psychic abilities. some psychics can predict the future, some see past lives. Some can find missing people or missing keys. Some can talk to the deceased. Some can help you find your soul's purpose while others can help you find a soulmate. all different.
If logic is what works for you, that's great. Not everyone relies on their logic. some people do rely on their intuition which may serve them better than logic and prediction.