Compared to the randomised nature of booster packs, with a MTG box set you know exactly what you're getting inside - it's a fixed collection of cards, often themed around a particular plane or style
Its especially nasty in decks that go wide with artifact tokens or play fast mana rocks early
6 K'rrik, Son Of Yawgmoth Blood Mana K'rrik, Son of Yawgmoth isn't a ramp spell in the traditional sense
Similarly, City of Death can net you upwards of five extra copies of your most powerful token
Conclusion The beautiful thing about a deck like this is simply how many customization options you have at your disposal
Anguished Unmaking Destroying a threat is good, but exiling a target is better: Those pesky death triggers won't trigger (because exiling ain't dying!), and most decks have no way to profit from exiled cards (unlike cards in the graveyard, which some decks are thrilled to have)