"And then Hobbycraft set down his pickaxe and dropped to his knees, praying the holy Alblaka would bless him with the Industrialforce. But Ablaka, not being the merciful sort of deity, decided that his idea was bollocks and dropped the Hammer of Banning upon him..."
also, it's spelled gist.
One of the things that makes Industrialcraft an industrial mod is that it has nothing to do with anything mystical whatsoever, no potions, no enchantments, just cold hard industrial unforgive-ness.
Now, you could suggest an addon for some strange device that happens to specifically affects the node/vis/flux of an area, maybe something like an Ozone regulator or something (something like that might conceivably reduce Flux in an area at an expense of power, enabling you to do more magic stuff).