Green Sun's Zenith

[Maxpayne03]

If I have no cards in my library, could I cast {Green Sun's Zenith} to put it on top of my library?

[rarehuntertay]

I honestly don't see why not.

[DrainCleaner]

You absolutely can

[particle]

whenever you are searching your library for a specific quality, like a "green" card, you can fail to find.