From Lindisfarne to Stamford Bridge, each unique card has 16 keywords from: Harthacnut, Harold Harefoot, Ivar the Boneless, Danelaw, Edward the Confessor, Normans, Alfred the Great, Pagan, Odin, Æthelred the Unready, Berserker, Valkyries, Edmund Ironside, Wayland, Anglo-Saxon Chronicle, Freya, Cnut the Great, Skadi, Lindisfarne, Sweyn Forkbeard, Harold Godwinson, Edgar Ætheling, York, Valhalla, Harald Hardrada , Saga, Great Heathen Army, Hel, Thor, Edington, Emma of Normandy, Assundun. 32 unique