i might be have different opinion, but if this is ur first shizu u might be better go to assasin shizu especially if ur core squad are archers, but if u ask me, i will go Magebane Shizu or Samurai anytime, anyday, Magebane my first priority though, the reason will be many, but trigger + Stun + skill stun base on attack, but yes ofc just my preferences & suitable to my needs;), bcs if u aim assasin for refresh u can get that from Kai assasin., meanwhile Shizu magebane aura is unique from Kai.
Just IMHO no sweat