EBERRON DND CAN BE FUN FOR ANYONE

With that stated, I would go with Fighter to be a key class (as it's the Warforged fav' class). You may get potions and recover Ordinarily (Unless of course you go Juggernaut later) and When the Wizard from the occasion get some mend spell, you don't need to have any level in Artificer.Kalashtar: You receive a Unwanted fat WIS Raise, a benefit on W