I noticed in the Jewel Crafter's Bundle it has School based Weapons, one for each one. I was wondering, can say a Storm wizard use the Death one, or a Life wizard use the Fire one, etc? Is the weapon dyable?
The weapon in the Jewel Crafter's Bundle isn't school restricted. It comes with additional stat-less Shard Hammers in different colors so that you can use them to stitch.
