Search your library for a green creature card with mana value X or less, put it onto the battlefield, then shuffle. Shuffle Green Sun's Zenith into its owner's library.
As the green sun crowned, Phyrexian prophecies glowed on the Tree of Tales.
NM-Mint Foil - $26.50
Lightly Played Foil - $23.90
Moderately Played Foil - $21.20
Heavily Played Foil - $18.60
Damaged Foil - $13.30
NM-Mint Foil Non English - $26.50
Lightly Played Foil Non English - $23.90
Moderately Played Foil Non English - $21.20
Heavily Played Foil Non English - $18.60
Damaged Foil Non English - $13.30