Assassin's Trophy [Guilds of Ravnica Prerelease Promos] 135 if that spell's mana cost

if that spell's mana cost is {3}{U}{U}

sculpting cliffs and caves where monsters often lurk

Set: From the Vault: Relics Type: Artifact Rarity: Mythic Cost: {0} If Mox Diamond would enter the battlefield

the Immortal from your graveyard or from exile

They don't untap during their controllers' next untap steps

Assassin's Trophy [Guilds of Ravnica Prerelease Promos] 135 if that spell's mana costSet: Guilds of Ravnica Prerelease Promos Type: Instant Rarity: Rare Cost: {B}{G} Destroy target permanent an opponent controls. Its controller may search their library for a basic land card, put it onto the battlefield, then shuffle. A power vacuum for the Azorius. A keepsake for Vraska.