I prefer to try to do that in other ways, rather than giving my opponents more resources
Since plenty of cards in this deck have flashback, you may still be able to access several of the cards from your hand even when they're in the graveyard, and you'll be able to draw into some genuinely new possibilities
Normally this would make it a 7/7 at best, but throw in a Price of Knowledge or Reliquary Tower and its potential becomes limitless
In most cases, if you exile a non-instant card during an opponent's turn, you won't be able to cast it that turn
And while this card certainly looks cool, her ability being limited to other characters being in the same location as her probably will limit its effectiveness
Get a refresher on the basics of what grading is and why people do it in our article What Are Graded Cards & Why Grade Yours