Ashiok, Dream Sculptor

+1: Exile the top card of each library. Target player exiles a card at random from their hand. Return a card you exiled to their hand.
-4: Target player reveals their hand. Exile a card from it or the battlefield. Search their library for a card and put it in their hand.
-8: Target player reveals their hand. Exile a card from it or the battlefield. Search their library for a card and put it in their hand.