Amulet of Awesomeness

Amulet of Awesomeness comes into play tapped.
{10}, {t}, Gloat: You win the game. Activate this ability only if the number of cards in your library is less than half the number of cards in your library at the start of the game and you have no cards in hand.
Na na na boo boo. Stick your head in doo doo.