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 - $12.70
Lightly Played Foil - $11.40
Moderately Played Foil - $10.10
Heavily Played Foil - $8.90
Damaged Foil - $6.40
NM-Mint Foil Non English - $12.70
Lightly Played Foil Non English - $11.40
Moderately Played Foil Non English - $10.10
Heavily Played Foil Non English - $8.90
Damaged Foil Non English - $6.40