Black Mamba OG (Indica)The effects of Black Mamba are believed to be euphoric and relaxing. Leafly customers tell us Black Mamba makes them feel happy but also sleepy. Medical marijuana patients often choose Black Mamba when dealing with symptoms associated with Anxiety, Arthritis, and Bipolar Disorder. The dominant terpene of this weed strain is Myrcene and features a grape, floral aroma with an earthy berry flavor profile.