Any reason a character can’t do this if they use one hand for each magic attack or hold an implement in each hand and just increase the difficulty per the dual wielding rules?
Can anyone see any problems with allowing this?
If two attacks use the same characteristic and skill then you just increase the difficulty by one, so a basic magic attack at short range would then be an average check dual wielding. But things would get harder as you add effects and how would you handle different effects on the spells? Not sure.