Ashiok, Nightmare Weaver
Ashiok, Nightmare Weaver {1}{U}{B}
Planeswalker - Ashiok (3)
+2: Exile the top three cards of target opponent's library.
-X: Put a creature card with converted mana cost X exiled with Ashiok, Nightmare Weaver onto the battlefield under your control. That creature is a Nightmare in addition to its other types.
-10: Exile all cards from all opponents' hands and graveyards.
Latest set: [THS] Theros ( M · #188 )