The modern followers of the tradition perform the same dance to call the spirits up. Mages can call up a spirit knowing only its name, but it is much easier if some link to the spirit can be provided. Of course if the deceased is an active, haunting spirit then this rote is absurdly easy. Sometimes they punish them until they mend their ways. This rote is a simple way of doing just that.
Bad luck is subjective however.
There was also one near legendary failure of this rote when an extremely powerful Euthanatos cast it on a young Akashic Brother to teach him a lesson. Using simple Mind magick, the Akashic convinced himself that the worst thing that could possibly happen would be for the Euthanatos mage to die. An astonishing series of flukes and chance events brought them face to face one more time where, despite his best efforts, the Akashic accidentally killed the Euthanatos. Okay, that's my own personal view of Euthanatos magick. I always think how the rote is performed matters just as much as the actual effect - that's why they tend to be a little bit long.