Which, in turn, is one of many types of shedding games, where the goal is to put down pairs of cards and empty your hand
The manual sold-comp check is still worth doing on higher-value cards, because completed sales are the closest thing to real buyer demand
The source granting Shroud must be removed in order for that permanent or player to be targetable again
YouTube (October 30, 2022)
Its ability to draw a card every time an opponent casts a spell, unless they pay an additional mana, makes it a consistent source of card draw
Apart from fringe cases like Grim Tutor, they are all tried and tested in formats past, and we can assume that Wizards is including them here because the gameplay they created there is of a sort that the creators of the game want to see in the next few years of Standard