+2: Exile the top three cards of target opponent's library. −X: Put a creature card with mana value 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.
![Ashiok, Nightmare Weaver [Theros]](http://www.cardmerchanttakapuna.co.nz/cdn/shop/products/ed3e73d0-ec48-5056-be98-dabb2bdc00df_dc846b41-f1c0-4e62-b201-2633725afafe.jpg?v=1698573733&width=1445)