You do not want the pataka. This weapon has a lower overall magic attack, more like low-medium. It was originally designed as the veno weapon since it adds quite a substancial amount of physical attack. This still doesnt make physical attacks viable on a magic class though.
For a wizard the choice is between Glaive and Sword. Glaive adds more channeling as well as a big gap between minimum and maximum attack.
Sword adds more crit but slightly less channeling as well as a smaller gap between min and max.
I am no expert on wizards but I believe demon wizards have some added channeling buff that can put them at near 99% chan regardless of weapon. So for a demon wizard I'd go sword. Sage wizard doesn't have said channel buff but still even without the added 6% channel is quite high.
So your choice is basically between slightly slower attacks with slightly higher chance of crit and steady damage and faster attacks with a wide variance and a little less crit.