TL;DR: Want to turn Skirmishing Warlord into INT buff based "Wizard" to fit character theme. No changes besides main ability scores used. Is this a balanced thing to do or will it be OP?
So my girlfriend is starting a campaign I'm a part of, and one of the players wants a very intelligent but very frail Leader (no heavy ties to religion). Specifically one who lets their allies do the attacking, treating them as weapons. Obviously Warlord comes to mind, but with low STR and CON because of character idea, it obviously doesn't work, nor does it fit with the theme.
So my idea was to change the Skirmishing Warlord introduced in Martial Powers 2 (p.82) into an INT class, more of a Wizard or something who isn't capable of direct attacks like a normal one, and so settles on buffing allies to compensate. Like I said treating the allies as their weapons.
Now I'm not planning much. Power damage numbers and scaling will stay the same, with INT replacing STR and CHA replacing INT, and so on. Proficiencies would change, health scaling would be that of a Wizard, and perhaps even defenses too. Another change is making ranged attack weapons simply a D8 "magic wand" or something like that.
Now there is the problem of free ranged buffing, but I feel like that's accounted for with Skirmishing Warlord itself, which is why this is more of a reskin idea than a total conversion (at least I think...)
I know this sounds a lot like a Wizard (basically is), but like I said the goal is to buff allies due to lack of the character's combat talents, not fill the roll of Controller or damage dealer (like a sorcerer). What I want to know is that if this is a balanced thing to do. I've never changed a class this much, but this is an idea even I've wanted to do for awhile. And also, religion is not a thing with this character, so Cleric and Invoker are out.
Thanks again for any help!