4x4 sticker w/free gift! The Gandalf strain, also known as True Albino Melmac, is a unique variety of Psilocybe cubensis resulting from the crossbreeding of the True Albino Teacher (TAT) and Melmac strains. Developed by cultivators MycoMama Angela and Father O’Blivion, this strain is notable for its distinctive albino appearance and potent effects.