mtg assassin's creed booster box Bundle, Beyond & Collector Opening! 10 Magic Magic The Gathering: Universes Beyond

Bugenhagen is also a very passable two-mana mana dork, too, so it has a lot of utility even if you cant stick a big creature

Exiling and returning something to the battlefield to retrigger its enter effects is always powerfull, and Y'shtola gives you a way to do that for free every turn

You don't choose a target for Cait Sith's ability at the time it triggers

Amethyst cards focus heavily on magical themes, whether it's the character featured on the card itself or the abilities it offers the players

It seems like a good inclusion in WU Fliers or any kind of controlling white deck, but it definitely falls short of true bomb status