For more information on these packs, you can check out GoNintendos coverage.
Creatures that scale based on the number of lands you have, like Beanstalk Giant or Ashaya, Soul of the Wild, get massive by the end of a game and often become that deck's win condition
Itll get back anything, and its an alternate path to victory if Adun isnt somehow getting there
This includes dropping the price on Masters set packs back down to $7, reprinting more cards that are expensive because they have a lot of demand (rather than cards like Imperial Recruiter that were expensive because they were low in supply), and refocusing reprint efforts to popular formats like Modern (either by bringing back Modern Masters or by making sure that themed Masters sets are stocked with expensive Modern staples)
Blastoise ex has 180 HP, which makes it the perfect tank to take a few hits
Normally this wouldn't be a problem for a red deck since the color is arguably the best at dealing with artifacts