public void mulligan(UUID playerId) {
Player player = getPlayer(playerId);
int numCards = player.getHand().size();
player.getLibrary().addAll(player.getHand().getCards(this), this);
player.getHand().clear();
player.shuffleLibrary(this);
player.drawCards(numCards - 1, this);
fireInformEvent(player.getName() + " mulligans down to " + Integer.toString(numCards - 1) + " cards");
}
@Override