As stand-alone decks, they make for a great introduction to playing Disney Lorcana
Each creature with one or more counters on it can't attack you or planeswalkers you control unless its controller pays , where X is the number of counters on that creature
Summon: Kujata - Having haste may make this a finisher of choice for slightly more midrange flavors of red, since it can close out games quickly and mucks up the opponents ability to block/stop it for several turns, but also isnt useless if it isnt alpha striking since this can just kill a few small creatures at chapter 1 if need be
Competitive play is a huge part of any TCG, and if a dud of a set were to release right as the biggest event in the game was due to take place for the first time, we could be talking about a very different trajectory for the game
First, you get a 6/6 flying for six mana, but then every enchantment played or Room fully unlocked results in a creature being stunned permanently (or at least until Fear of Sleep Paralysis leaves)