The stores that get the best allocation on a chase set are the ones that ordered steadily before it launched
As such only really combo and control decks run this
Exile is more a designer's tool than an evergreen mechanic, so I hope you learned some nuances about it today
However, there are some cases where the rule of one card copy per deck can create even more adverse situations Circu, Dimir Lobotomist Circu, Dimir Lobotomist, oddly enough, can be viable in play, even without using its last ability to stop casting cards with the same name as the exiled cards
If you do, this creature gets +2/+0 until end of turn
However, if the current planar controller would leave the game, instead the next player in turn order that wouldnt leave the game becomes the planar controller, then the old planar controller leaves the game