Keira Metz The Witcher 3 Wild Hunt / Gwent Card. Keira Metz of Carreras was a sorceress. She was a former advisor to King Foltest of Temeria, a role that had also been held by Triss Merigold and Fercart. She was fond of luxury, despised the dirtiness of the outdoors, and was rather eccentric in nature. She made aphrodisiacs, and was considered to be a nymphomaniac by Sabrina Glevissig.