Adept, the NPC class, is a tier 4 class which gets these spells, along with a variety of other ones. It had versitility and a nice spell list.
Most of my army is warlocks, warmages and barbarians.
If what was talked about for my bloodline upthread goes ahead, probably some dread Necro and warblade too.
But adepts have a niche. So I have some, as level 6-8 followers.