O'Kai, Veiled Sister

+2: Reveal the top card of your library and put it into your hand. Then, destroy target permanent sharing that card's type.
-X: Each player discards the top X cards of their library, then each opponent discards the top X cards of their library.
-9: Return up to five cards from any graveyard to the battlefield under your control. Then, target player exiles their graveyard.