@Override
 public void onStart(FirstCompGame game) {
   game.registerHandler(FindUsableCardsEvent.class, this::addHandCards);
   game.registerHandler(DetermineActionEvent.class, this::determineAction);
 }
 @Override
 public void onStart(FirstCompGame game) {
   game.registerHandler(DrawCardEvent.class, this::onDrawCard, EventExecutorGWT.PRE);
 }