What is the beej mantra of Matangi? And also which Mahavidya deity is related to the throat chakra? And I thought Matangi's is related to mercury because she is Tantric Saraswati who rules intellect and speech (mercury).
Namaste. Śrī Mātaṅgī is related tu Buddha but also to Sūrya. There are many bīja mantras related to Her, but aiṁ is primordial. Aiṁ klīm sauḥ is another set o mantras. "Oṁ aiṁ hrīṁ śrīṁ aiṁ klīm sauḥ" is a longer set.