Wizard daggers in Melee/Wizard are complex:
https://www.hcobb.com/tft/house_rules.html#GMscreen
Note also the distinction between -4 to cast with weapon in hand vs not being able to speak a spell without both hands free to wave around in ITL.
Classic 40 attribute wizard wishes to add Naturalist and so adds 4 IQ points at a cost of 4k XP.
Legacy 40 attribute wizard wishes to add Naturalist and so pays only 2k XP for the four memory points.
See A Temple of the Six Gates, Hexagram #4, page 29 for some monk characters under the current rules, some heroes, some wizards.