It isn't going to be the biggest exile engine, but spot removal is always nice, especially if you're playing against a graveyard deck
Able to disrupt opponents, draw cards, bounce creatures, and more, Jace was widely considered the most powerful card in the Worldwake set
Then, they can augment their card collections with booster packs that provide more cards, letting players develop more diverse decks
However, for your combat damage to get through, you will need some protection from your opponents after they have either saved up the mana to blow away some of your Humans or kept some of their poor creatures untapped to block you (even if your creatures can't die because of Goldbug, Humanity's Ally )
Key Takeaway You are paying for a shot at a grail, not the grail itself
Second box was average, few decent full art cards, while the 3rd produced only 3 hits but they were illustration rares