Lugia, God of the Seas

+3: Destroy all nonblue and nonwhite creatures with toughness 6 or less.
-6: Draw cards from your deck until you have drawn "Shadow Lugia" and your maximum hand size becomes equal to all cards in all your opponent/s GY.
-20: This card is destroyed and your opponent/s take damage equal to the number of cards in your deckx2.