Ashiok, Beneath Waking

: When Ashiok is put into your graveyard from your library, put it onto the battlefield. Its loyalty abilities cost an additional -2 to activate.
+1: Look at the top card of target player's library. You may put it into its owner's graveyard. Then you may exile a card from a graveyard.
-X: Shuffle target nonland, non-Ashiok card with mana value X or less from exile into its owner's library. Copy that card. You may cast the copy.