In its original release format, as a game in Fantasy Flight Games' Living Card Game line, there was a regular release of non-random deluxe expansions that start a story or campaign with 2 playable scenarios, followed by multiple smaller expansions (known as mythos packs) that continue and conclude each campaign story with 6 additional playable scenarios
For me personally, I'll be happy just to see a Shockland or two in the bundle I'll probably buy
They offer a mix of aggression, lifegain, and card advantage, and are a top-tier choice for both casual and mid-power tables
Typically I'll either make tons of tokens with Armada Wurm or Trostani's Summoner or Avenger of Zendikar Or I'll just start removing lands with Terastodon, Acidic Slime, Venser, Shaper Savant, or Brutalizer Exarch This list isn't competitive by any means
Improved Recovery Item List - The Recovery Item sold by Shop NPC in each region have been improved to match the difficulty of the region