Some employees speculate that the pre-order volumes weren't matching what corporate had hoped
The only key difference is that your decks will be formed around the 10 booster packs you open up from the bundles, and of course, that requires a little bit more skills, strategy, and luck
With her first two abilities, the best home for her will be in Mono-Red lists since you want to get the most value out of the card
Also, as new sets are released, new banned and restricted cards can be added
This is good with Disturb creatures but also a little awkward with them, since filling your hand further taxes your mana
Jaces plus ability has any player mill two cards and then you draw one, accelerating your win condition by three cards if you target yourself