The goal of this amendment (appears to me, a non-laywer) to be to allow judges to issue warrants for crimes that occur in their jurisdiction, for materials that may not be in their jurisdiction, when the location of the materials has been obfuscated with an anonymizing technology. I don't think this is an "automatic warrant" - they still have to establish probable cause, etc.
A more interesting sentence from p. 325 discusses the mechanism by which the search may be carried out: "The proposal speaks to two increasingly common situations affected by the territorial restriction, each involving remote access searches, in which the government seeks to obtain access to electronic information or an electronic storage device by sending surveillance software over the Internet."