H.H. Dagchen Sakya Rinpoche’s Prayers of the Three Long Life Deities can be downloaded here: Prayers of 3 Long Life Deities (pdf).
Sakya Monastery of Tibetan Buddhism
"Through the practice of Vajrayana Buddhism, may the radiant flower of
Tibetan Culture be preserved for the benefit of all beings."
Tibetan Culture be preserved for the benefit of all beings."