One ritual in this religion involves the parahaoma, a liquid made from the Haoma plant, as well as consecrated water and leaves from a pomegranate tree.  
In one story of this religion, one god creates a serpent called Azi Dahaka, but that serpent is defeated when Mithra draws his mace.  In another story in this religion, that god is defeated in battle by Tishtyra, and is thus prevented from preventing the rains from coming.  One ritual in this religion involves the parahaoma, a liquid made from the Haoma plant, as well as consecrated water and leaves from a pomegranate tree.  The main text of this religion contains sections such as The Gathas, The Yasna, and The Vendidad, and contains a verse that reads, "I praise good thoughts, good words, and good deeds and those that are to be thought, spoken, and done".  For 10 points—name this religion, whose followers believe that Angra Mainyu will be defeated at the end of the world by Ahura Mazda.
In one story of this religion, one god creates a serpent called Azi Dahaka, but that serpent is defeated when Mithra draws his mace.  
Zoroastrianism