The Moon tarot card represents intuition, emotion, and the subconscious. In a reading, it can indicate a time of confusion, uncertainty, and a need to trust your instincts.
 
In a New Orleans and Mardi Gras-themed reading, the Moon card can take on additional meanings. It can represent the mystery and magic of the city, as well as the deep-rooted traditions and spirituality of its inhabitants. The card can also represent the wild and frenzied energy of Mardi Gras, where inhibitions are let loose and the subconscious is allowed to take over.
 
The image on the card may feature the crescent moon, a symbol often associated with the goddess Artemis and the goddess of the hunt, wild nature, and virginity. The crescent moon is also the symbol of the city of New Orleans, which is known as the Crescent City. 
 
Overall, the Moon card in a New Orleans and Mardi Gras reading can signify a time of embracing intuition and the subconscious, letting go of inhibitions, and connecting with the city's rich history and spiritual energy.