Core sets tend to have overall simpler themes and provide things like reminder text for evergreen effects, which make them a bit easier to understand than our normal expansions
Its why mechanics like surveil are so good as well: you can tactically pick the cards that enable other mechanics like delirium or descend with ease
Mosswood Dreadknight, Bramble Familiar and Questing Druid are three such cards, some of which have already had some success in tournament play in standard
Staff of Domination This artifact was so good it was banned in Commander for years as an infinite mana sink
Provided you can get through the queue, which often breaks in drops like this, if you're not there the second sales open, you'll likely be too late to grab them
It all but ensures that nothing's going to hit you for the turn, and it can weaponize an opponent's creatures against a different opponent