An Elite Trainer Box is your best bet but the Booster Bundle is also a more affordable option.
Like all Abyss Proxy Shop proxies, every Power Artifact #B is printed on German black core paper with the same weight and feel as the real card
If you are looking for specific ways to play or a more fancy set of cards just to collect, there are other, better options for you
4 Fates Collide Though Fates Collide is technically part of the Break series of sets, its offerings for the mechanic are merely passable in comparison to others in the line
You can find all of its features on other sites (such as TappedOut and Archidekt), but in my opinion, Moxfields execution is better than anyone elses
Olivia is our other Rakdos option, and she feels similar to Chainer, giving haste to reanimated bodies