Green Sun's Zenith [Mirrodin Besieged] Green If that mana is spent

If that mana is spent on an instant or sorcery spell

" —*Troilus and Cressida*

Set: Morningtide Type: Enchantment Rarity: Rare Cost: {1}{G} Whenever a creature enters the battlefield under your control

{B}: Regenerate Sedge Troll

then return her to the battlefield transformed under her owner's control

Green Sun's Zenith [Mirrodin Besieged] Green If that mana is spentSet: Mirrodin Besieged Type: Sorcery Rarity: Rare Cost: {X}{G} 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.