Thanks for that.
I'm not saying it's broken. I received the new book yesterday and wondered if it was an error or misprint. I play High Elves so the new book is actually well received (other than the slap to Teclis, but that was to be expected). I wouldn't call it a waste for 50pts as it's useful against a number of units (Juggernaughts of Khorne, Daemonic mounts, Hellcannon, including the stomp/thunderstomp attacks, etc).
Looking at the new book, Alarielle the Radiant (casting only High Magic) with a large unit of White Lions with the Banner makes them almost indestructible. The Banner gives a 2+ ward save vs everything magical. Alarielle gives them a 5+ ward save to everything non-magical and that ward save can be improved to a 3+ (via the shield of Saphery) by casting some spells - spells that she's receiving a +5 bonus to cast. Sounds good to me!
One more question if anyone knows: The Frostheart Phoenixes are looking awesome - particularly due to the -1 to Strength. Does anyone know if it's stackable i.e. if 2 Phoenixes are attacking the same unit, does that unit get 2 stacks of -1 to strength, effectively making it -2 to strength (to a minimum of 1, of course).