Interesting cards! I threw some notes together for the Rangers (I'd like to think some more about the Cultists):
It's a little odd that they're called Rangers but their class is Scouts, only because Ranger is already a class in HeroScape (although only Brandis Skyhunter uses it). Others may not notice and/or be bothered, and I'm not sure I'm even bothered by it.
Even though they don't bond with him, I think the Venoc Warlord would be worth the price to take with the Rangers. +2 Move is nothing to sneeze at, and he's a sturdy cleanup figure, once you run out of Rangers.
I like the tradeoff of Scout Strategic Bonding, especially given the shenanigans you can get up to with semi-regular activations of Theracus, Kira Jax, and the Clawfoot Interceptors.
I like the +1 attack die in melee; my only note is that "Hand-to-Hand Specialist 1" (the power name, not the text itself) is a bit of a mouthful, compared to, for example, the 10th Regiment of Foot's conditional +1 die powers "Melee Defense 1" and "Bayonet Attack 1." Similar to my first point about Ranger/Scout, this may not actually matter much.
I think this is a nice, restrained design that promises some neat builds!