You win (pretty much)

send your hand to the graveyard. draw 5 cards from your opponent's library all those card's casting costs become {0}. destroy all you're opponent's cards. all creatures you control get a +5 +5 counter and have haste until the end of you're turn, when this card exits the battlefield shuffle your graveyard into your library.
you are only allowed 1 "you win (pretty much)" in you're deck.