Mind's Desire [Duel Decks: Mind vs. Might]

Set: Duel Decks: Mind vs. Might Type: Sorcery Rare Cost: {4}{U}{U} Shuffle your library. Then exile the top card of your library. Until end of turn, you may play that card without paying its mana cost. (If it has X in its mana cost, X is 0.) Storm (When you cast this spell, copy it for each spell cast before it this turn.)