In one opera by this comp
In one opera by this composer, Eva eventually goes to Walther, who becomes one of the title Mastersingers of Nuremberg. In another of his operas, the hero eventually saves Elsa. He composed Lohengrin and an opera that sees Sigfried rescue Brunnhilde from a ring of magic fire. That cycle contains Gotterdammerung  and a opera containing the Ride of The Valkyries. For 10 points, name this composer of the Ring cycle.
In one opera by this composer, Eva eventually goes to Walther, who becomes one of the title Mastersingers of Nuremberg.
Richard {Wagner}