House of Cards

Set aside your hand, graveyard and cards in play. Using your library, you have 1 minute to construct the tallest house of cards you can. At the end of the minute, if the house of cards is still standing, deal 2 damage to target player for each story of the house and draw a card. If not, lose 4 life and target opponent draws a card. Shuffle the cards together to form a new library and return the cards set aside to play. (Opponents may not shake the table, touch the cards, blow on them, or otherwise inte