Green Sun's Zenith [Mirrodin Besieged] Land Creatures can't attack you unless

Creatures can't attack you unless their controller pays {2} for each creature they control that's attacking you

at the beginning of each of your upkeeps for the rest of the game

Set: Planechase Type: Creature — Zombie Rarity: Uncommon Cost: {2}{B}{B} Zombie spells you cast cost {1} less to cast

Shuffle Green Sun's Zenith into its owner's library

Set: Legends Type: Artifact Rarity: Rare Cost: {6} At the beginning of your upkeep

Green Sun's Zenith [Mirrodin Besieged] Land Creatures can't attack you unlessSet: Mirrodin Besieged Type: Sorcery Rarity: Rare Cost: {X}{G} Search your library for a green creature card with converted mana cost X or less, put it onto the battlefield, then shuffle your library. Shuffle Green Sun's Zenith into its owner's library. As the green sun crowned, Phyrexian prophecies glowed on the Tree of Tales.