Which preposition to use with eft

of Occurrences 2%

Was he the guardian imp, the legendary Eft of Katahdin, scoffing already at us as verdant, and warning that he would make us unhappy, if we essayed to appear in demon realms and on Brocken heights without initiation?

from Occurrences 1%

Excuse my French, but I am certain you are the eldest daughter of the old woman in the wood, and you are just now dropping vipers, toads, newts, and efts from your mouth at every word you utter!"

Which preposition to use with  eft