The way you feel is what does the attracting. Your feelings are placing your order to the universe’s catalog of worldly possessions. If you set the intention to have more money, but are feeling lack, you’re putting an order in to feel more lack. Therefore your intention to get more money won't be fulfilled. You'll actually be delivered more of the circumstances that give you the feeling of lack.
Simply put, money is just a story that someone invented and that took hold. It was decided, that some particular shape of coin, or inlaid metallic object, and piece of paper was worth more than the material it represented. This started out as a thought in someone’s mind. That thought is now commonplace. We now expect that a piece of paper with a certain number on it, with a specific color and other identifying elements, is worth something more than the paper it’s printed on.
This applies to all kinds of situations where your emotion is somehow associated with money. A few days ago, I received a lot of money unexpectedly and I found myself saying “Do I really deserve this much money”, “Am I worthy of getting this much money”, it is strange, isn’t it? I have a personal development blog where I talk about building positive money mindset and I am saying such things to myself. Learning to Make Money