[ERRATA] Power - Uncork: Discard Maelstrom Flask from play. Reveal the top four cards of your deck. You may choose any one revealed Spell. If you do, discard all other revealed cards and play the chosen Spell for half of its energy cost, rounded up. If the chosen Spell has an X in its cost, X must equal zero. Discard all other cards revealed. If you do not choose a Spell, discard all revealed cards.