It's a Rune Scared Demon for 1 less mana but instead of a tutor it's a mini fact or fiction. I wonder if there are situations where instead of just getting timewalk I could set up some graveyard shenanigans that would pay off better with this thing.
Being 1 easier to cast is a thing too, but it feels very corner case considering you are not hard casting it in oath 99% of the time.