Magic Filter
In this case I would consider 'traditional' to be anything that originated here, rather than anything imported from other realities. I have been trying to learn more about it, but a lot of the energy in place already does not feel like expected, so I assumed at least some of it is from somewhere else.
As far as potential risks, well... there's always a bit of risk in combining or creating spells, let alone in combining different variations. There is less of a chance of backlash or failure if I know what I'm dealing with prior to testing.