Quote Originally Posted by Flickerdart View Post
I'm not sure that's a good idea. Is it really going to be fun for the fighters if they know they're only there and contributing because the wizard is holding back?
If I have one grenade, it's not holding back if I don't throw it, it's preparation.

The fighter is contributing if his actions are directly responsible for the wizard being able to deploy against a larger threat. If the wizard can only take out one threat, regardless of size, and the fighter can take out a half-dozen small threats but not the one biggest threat, then having two wizards instead of a wizard and a fighter would mean that the two wizards would be overwhelmed by smaller threats while trying to take out a large one.

Ideally, the fighter's ability to keep going indefinitely would actually balance out the nova-like nature of a wizard's powers. This failed fairly badly in 3.5; time will tell how it works out in 5e.