Well, there are almost no circumstances where it is a bad choice to pick a drakeling. I guess the only real downside in this case is that mindcrafters have a super hard time training Ma, which is one of drakeling's worst stats, and having extra PP is rather important for mindcrafters since they're deprived of HPcasting. Hurthlings are a respectable choice too, if you want a more missile orient mindcrafter, but have similar problems with Ma as drakes.
Dark elves are a fine choice, I suppose, although the beginning of the game is probably pretty tough since you have a low To class and a low To race. Gnomes might give a better early game without sacrificing too much Ma.
Troll mindcrafters are a weird choice, but actually pretty good. Basically, you just play as a regular troll brute, except that you have free teleport control, confusion resist and can confuse people. Just don't expect to ever use any of your high-power abilities.
I normally play mindcrafters basically as either melee or missile characters, and use confusion blast to make my life easier. Most of the good crafter abilities don't show up until later in the game, by which point my character is probably strong enough that I just forget to use them. There is no bad way to play though. If you want to use mostly mindcraft for combat, there's nothing wrong with it.
Any time a player finds Executor and fails to use it, the RNG kills a cute dog.
Hoping to win with every class, doomed. Archer, Barbarian, Bard, Beastfighter, Druid, Elementalist, Farmer, Monk, and ULE Priest down.