Green Sun's Zenith [Mirrodin Besieged] Basilisk if a face-up card is

if a face-up card is in a Field Zone and this card is in your GY: You can Special Summon this card in Defense Position

5 Level 12 monsters Once per turn (Quick Effect): You can detach 1 material from this card

Special Summon that Synchro Monster

you can add 1 Level 4 or lower monster with the same Type and Attribute as the equipped monster from your Deck to your hand

Green Sun's Zenith [Mirrodin Besieged] Basilisk if a face-up card isSet: 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.