For 10 points, name this patron of contracts and god of light in the pre-Zoroastrian pantheon of Iran, whose slaying of the diving bull became the object of a cult in Rome.
This god survived the change of religions in his land of origin, becoming a Yazata who rode a chariot pulled by white horses and had ten thousand eyes and ears. He was venerated in artificial caves that commemorated his place of birth, and the central act of his mythology is the creation of plants and animals from the blood of a beast. For 10 points, name this patron of contracts and god of light in the pre-Zoroastrian pantheon of Iran, whose slaying of the diving bull became the object of a cult in Rome.
This god survived the change of religions in his land of origin, becoming a Yazata who rode a chariot pulled by white horses and had ten thousand eyes and ears.
{Mithra}s [or {Mitra}; or {Sol Invictus}]