Blue Unless you know exactly whats on the top of the library, youre probably waiting until later in the game to cast Bond of Insight, when you have the exact cards you want already in the graveyard
Blue: There are many draw effects, effects that manipulate the top of the deck, and effects that bounce cards into the hand or deck
Players, it seems, are not fans of what I'm going to call "mundane modernity." Magic has had many sets, such as Kamigawa: Neon Dynasty and The Brothers' War which push into more of a science-fiction feel, with items far more technically advanced than one would normally find in a fantasy story
Dark Matter on the other hand is just the ultimate in setup for this deck and can potentially ruin the opponent as well
Once she arrives on the field, she can start dealing damage directly to your opponent without even having to attack
Slifer is supported by "Thunderforce Attack", Obelisk is supported by "Fist of Fate", and Ra is supported by "Blaze Cannon"