Bolas's CitadelCasting Cost: Card Type: Legendary ArtifactCard Text: You may look at the top card of your library any time. You may play lands and cast spells from the top of your library. If you cast a spell this way, pay life equal to its converted mana cost rather than pay its mana cost. , Sacrifice ten nonland permanents: Each opponent loses 10 life.
, Sacrifice ten nonland permanents: Each opponent loses 10 life.