The flexibility here is huge in formats where assembling the right board presence quickly is the difference between winning and losing
But compare that to Merfolk Looter
Not long ago, Imperial Oath surprised us all by being strong enough to buck this trend, but I dont think The Crystal's Chosen is anywhere near as good
Semesters End Blinking an entire board of creatures at instant speed with Semester's End saves them all from a board wipe, makes them bigger, and retriggers all their powerful enter abilities
Hikaru Koikes Embrace Pokmon is a 150 HP Stage 2 off Kirlia, and it was a real competitive force in its day
And then there's the added benefit of not worrying about your own creatures if youve built your deck around demons, devils, and imps