There's an idea.

[He's sure Jaskier would be happy to do it--but if their Horizons are becoming real, Viktor can likely steal away some cultivars. Plant them wherever they go. He leans back from his work, a smudge of grease on his face.]

I'm not able to build the device as intended. We're attempting to use the principle of it to close the rifts, rather than tear new ones open.