That means they get to stick around, you double any enter the battlefield triggers, and sometimes you just get a very large and terrifying army very quickly
This seems like an obvious solution
Portal Three Kingdoms has 180 cards in total, shown in the spoilers list above
Some commons are worth money, especially specific foils or older cards that get played in formats like Pauper
Ob Nixilis, Captive Kingpin Ob Nixilis, Captive Kingpin offers card advantage in the form of exiling cards that can be played until your following end step, which is valuable in a color combination like black/red
There isn't a deck in Standard that wants this right now, and I can't imagine a pile of new Standard cards suddenly coming together to make a deck