This is especially true once you branch out to mana rocks and multicolor decks the best of two colors, especially if one of those colors is green, white, or red, is going to present ramp and acceleration options that will easily outshine most of blues incredibly shallow pool of generic playables
I already brewed that, and you can check it out here
Personally I'd play it safe and look to move my copies while prices are high
Temple of the False God is useless until youve already cast and killed Child of Alara, but its incredibly good after that
When Marvo attacks, you get to clash with an opponent, which is a mechanic that hasnt been seen in a long time
I get the reasoning with rooftop storm, but it isn't enough