Blink (#116 FOIL:WHO)

(As this Saga enters and after your draw step, add a lore counter. Sacrifice after IV.)
[I] [III] Choose target creature. Its owner shuffles it into their library, then investigates. (They create a Clue token.)
[II] [IV] Create a 2/2 black Alien Angel artifact creature token with first strike, vigilance, and "Whenever an opponent casts a creature spell, this permanent isn't a creature until end of turn."