Deathspark Surge

(Can only be cast if you control a Legendary planeswalker or creature.)
Each opponent reveals X cards from their hands. For each nonland card with converted mana cost X or less that player either exiles that card or loses X life where X is that cards converted mana cost. If you control a Nicol Bolas, Deathspark planeswalker, the exiled cards may be cast with its ability.
"Is this the death you imagined?"