Cityscape Leveler (Extended Art) [The Brothers' War] Avacyn Restored 3 Laws of Robotics is

3 Laws of Robotics is a lively deduction game for 4-8 players in which you know everyone's information except your own

6 owl tokens

using your spells and monstrous cunning to teach these alien upstarts who the baddest dude in the land is

Additional dozen-plus magical item descriptions

a period of consolidation followed which emphasized defensive technologies and fleet building

Cityscape Leveler (Extended Art) [The Brothers' War] Avacyn Restored 3 Laws of Robotics isSet: The Brothers' War Type: Artifact Creature Construct Rarity: Mythic Cost: {8} Trample When you cast this spell and whenever Cityscape Leveler attacks, destroy up to one target nonland permanent. Its controller creates a tapped Powerstone token. Unearth {8}