Let's say you're playing a deck with a bunch of midrangey creatures that happen to have cycling, like Archfiend of Ifnir, Curator of Mysteries, Krosan Tusker, or whatever powerful cyclers we end up with in Ikoria Standard
This is a pretty nice idea that resembles the ninjutsu of old and could open up a very intriguing design space revolving around bouncing and re-casting creatures
It was more like a polarity that flipped on your upkeep: everything that was phased out last turn phased in, and everything that had been phased in, phased out
Other cards like Breena, the Demagogue along with a lot of the cards in its preconstructed deck dont force creatures to attack
Primal Wellspring: I would cast a card draw spell and repeat it
Should Wizards overprint these collectibles cards, that allure may totally disappear