I don't know any Nasuverse at all, so I can't comment on that, but I would tentatively compare linker cores to the magegift itself, maybe drawing a more direct parallel with the glyph Doug gave to Lisa Vanette with "Invisible Touch", which acted as a temporary artificial magegift.
-- Bob
---------
Then the horns kicked in...
...and my shoes began to squeak.
-- Bob
---------
Then the horns kicked in...
...and my shoes began to squeak.