Since theres so few 9/10 cards, especially of the holo and non-holo rares, theres basically no market, so stretching on price doesnt feel good
Wizards of the Coast brought about the Commander power brackets which take many of these rules into account and help players get good games
It seems likely that players are looking to collect one of every Nazgul, so they can have the complete set in their decks
Third, I liked that having a Werewolf (or Werewolves) created a handicap for the Werewolf player, who now couldn't cast more than one spell a turn or the Werewolf would transform back
And finally - Ghostly Flicker and/or Illusionist's Stratagem could be solid includes if you want to change up how your "value" works: Since you have lots of creatures that return instants/sorceries, it goes from with Momentary Blink to , but repeatable as long as you have Archaeomancer or friends out