The Hundreds of Deities of the Joyful Land according to Highest Yoga Tantra is the Guru Yoga of Je Tsongkhapa as a Preliminary Practice for Mahamudra. Composed by Venerable Geshe Kelsang Gyatso Rinpoche, and extracted from the Ganden Emanation Scripture, this sadhana, or ritual prayer for spiritual attainments, is a perfect preparation for Mahamudra meditation. Through engaging in this practice of Guru yoga – a special way of relying upon our Spiritual Guide – we can quickly receive the blessings of all the Buddhas.