Tom Bombadil, of The Shadows

When Tom Bombadil, of The Shadows enters the battlefield, all other creatures get -3/-3 until end of turn. For each creature that died this way, each player discards that many cards.
{t}Exile two cards from your graveyard: Target creature gets -5/-5 until end of turn.
Tom Bombadil, of The Shadows power and toughness are equal to the number of cards in your graveyard.