Soldiers dont have any specific shared mechanics or characteristics that unify them besides their creature type, but a lot of them usually have abilities that reflect either combat mastery like first strike or vigilance or strategic abilities that involve self-sacrifice or Propaganda-like abilities and can't attack effects, and other ways to have more control over combat
This was a cosmic shift as up to Fourth Edition a Counterspell always looked one way, a Serra Angel, Giant Growth, Hurricane, etc, always looked the same
All of the decks in the game got to do stuff, and be impactful in their own ways
You can even build a second deck with the cards you have left over to really bamboozle your opponents when you sideboard out one deck for another if youre lucky with your pulls
While Fabled card reveals continue at a rapid pace, other news on exclusive promos, new events, and new items have also been popping up