Hexerei
Mische die Ruhige Erinnerung und bis zu drei Karten deiner Wahl aus genau einem Friedhof in die Bibliothek ihrer Besitzer.
If you give Serene Remembrance the flashback ability and cast it from your graveyard, it will be exiled instead of being shuffled into your library. Any other targets will still be shuffled into their owners’ library, however.