The difference now is that you can start using the 0 ability Ichormoon Gauntlet gives all of your Jace planeswalkers
The 33% SAR pull rate gives you solid odds at cards worth 1,584-40,429
They may be good in very specific or very niche situations but you would almost never seriously consider putting them in a competitive deck
Often you need it for it's high toughness, but other times, you want to find your game changer in Rhystic Study, or impactful cards like Emry, Lurker of the Loch or Windfall
This lets you know that they are proud of this format and are pushing it in a big way, nothing wrong with that
PTCG Live gives players quite a few semi-competitive decks to start off with, and those cards are also added to your collection for you to play around with