Right ((Edit by the English police) reading "useful" as "efficient" or "competitive", the way it is typically abused in this forum). The point that it can give several nations magic paths in combos types and levels that they don't have, though, makes it well worth the cost, though how many castings it'll take to get that payoff is uncertain. Which is pretty interesting, IMO, though of course people who hate not to get what they want may get upset.
