The first card to analyze is Judgment, which represents a call to wake up and become aware of something. This card also represents opportunity, so in your case it could represent a sign of luck. Another interpretation could be that the hidden treasure represents an opportunity to grow and learn something new. Furthermore, this card indicates that you need to take care of yourself in order to take full advantage of this possibility.
Concerning the conscious, the second card is the Four of Wands. This card symbolizes balance between various aspects of your life, both internal and external. It can mean that you are balancing the pursuit of opportunities with the current state of your life. It could also be a sign that you shouldn't be too presumptuous in approaching the opportunities that come your way, but rather consider all aspects of the situation before proceeding.
Finally, the third card is the Knight of Wands, which symbolizes action and initiative. This suggests that you need to act quickly to seize the opportunity you have found. It is important to act decisively and courageously to make the most of the hidden treasure. Here again it is important to remember to consider all aspects of the situation before proceeding with action.
In conclusion, the three cards suggest that finding hidden treasure could be a sign of luck for you. However, you need to be aware of various aspects of the situation before proceeding. You also need to act quickly and with determination to make the most of this opportunity. Therefore, the most likely answer to the question is YES: finding hidden treasure can be a sign of luck for you!