Pernicious Deed [Apocalypse] Apocalypse Whenever a creature with power

Whenever a creature with power 4 or greater enters the battlefield under your control

you may search your library for a card

Its owner cracks it open to see what jewels it holds

Set: Commander 2017 Type: Legendary Creature — Dragon Avatar Rarity: Mythic Cost: {4}{W}{U}{B}{R}{G} Eminence — As long as The Ur-Dragon is in the command zone or on the battlefield

Pernicious Deed [Apocalypse] Apocalypse Whenever a creature with powerSet: Apocalypse Type: Enchantment Rarity: Rare Cost: {1}{B}{G} {X}, Sacrifice Pernicious Deed: Destroy each artifact, creature, and enchantment with mana value X or less. "Yawgmoth," Freyalise whispered as she set the bomb, "now you will pay for your treachery."