This suggestion has nothing to do with making Rook Attacks stronger, rather it is an idea for what can be done when Glitchen fail or do not defend a Street from a Rook Attack. It's not entirely original being based on something that has already been done by TS; Rook's Woods.
My suggestion is to turn the street the players did not/failed to defend black and white, like Rook's Woods and Hell, have the Magic Rock replaced by a Rook, and have a Rook's Egg sitting atop the street's shrine, disrupting the imagination of the giants. Every thirty seconds a Rook Attack happens in the street, hitting the Mood and Energy of any Glitchen on the street. In order to restore the street to it's normal, imagined state, Glitchen have to destroy the Rook's Egg disrupting the imagination of the Giants. To do that the Glitchen have to stun the Rook, Prime the Shrine to disrupt the Rook's Egg's defenses, and then use an Axe, Hoe, or Pick to break the Rook's Egg.
— Mal'akh, Primate of Lem, Primus Inter Pares of the Orthodox Church of the Giants of Ur, Hubby of Aranna, Shriner of Mullangi Meda