Yes, these cases are designed to be stackable
Given that, this likely doesn't make too big of an impact when you can just run Journey to Nowhere, but for decks leaning heavy on White, this isn't a bad option to have around
When Rise first came out I had nearly a third of the level up dorks in the cube and they were some of the best dorks you could get
This may sound like an issue of pay to win, and to a certain extent it is, but from what we were shown in the demo it seems like its not too difficult to assemble a competitive deck using just the resources provided, meaning winning will ultimately come down to the skill you have more so than the cards you own
Dont worry, the #1 Zombie card and I can wait
If your play pod doesnt mind you playing Ersta, Friend to All, the planeswalker can help you win the game as your commander if you have 20 or more wizards on the battlefield