Green Sun's Zenith [Mirrodin Besieged] Colorless providing you have the appropriate

providing you have the appropriate tools to carve them

Set: Saviors of Kamigawa Type: Sorcery — Arcane Rarity: Rare Cost: {5}{B} Target opponent chooses a number

{T}: Counter target activated ability from an artifact source unless that ability's controller pays {W}

then shuffle your library

{B}: Regenerate Sedge Troll

Green Sun's Zenith [Mirrodin Besieged] Colorless providing you have the appropriateSet: 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.