I'd put two things, Wand's and Magic. The Wand, of course, will cast magic. But, It should take an Emerald to build one of these. You would need 1 Stick, and 1 Emerald. You didn't need a Crafting Bench, you just need to put it like this: || = Stick, /_\ = Emerald. So, below is where.
/_\
||