My impression was that Lake Fairies are better than sprites too. They are more attack oriented (4/2 vs 3/3), have higher damage range (1-3 vs 1-2), better inititative and speed (6/5 vs 5/4) and are not vulnerable to fire. To top it off, they require less leadership (7 vs
, so you can get more of them. The only downside is less hp (6 vs
, but everything seems to more than compensate for that.