Program: 158005
Project: 158005
Buggy source:
protected void init(UUID choosingPlayerId){
  for (  Player player : state.getPlayers().values()) {
    player.beginTurn(this);
    if (priorityTime > 0 && player.getPriorityTimeLeft() == Integer.MAX_VALUE) {
      initTimer(player.getId());
    }
  }
  if (startMessage == null || startMessage.isEmpty()) {
    startMessage="String_Node_Str";
  }
  fireStatusEvent(startMessage,false);
  saveState(false);
  if (gameOver(null)) {
    return;
  }
  if (!gameOptions.skipInitShuffling) {
    for (    Player player : state.getPlayers().values()) {
      player.shuffleLibrary(null,this);
    }
  }
  TargetPlayer targetPlayer=new TargetPlayer();
  targetPlayer.setTargetName("String_Node_Str");
  Player choosingPlayer=null;
  if (choosingPlayerId != null) {
    choosingPlayer=this.getPlayer(choosingPlayerId);
    if (choosingPlayer != null && !choosingPlayer.isInGame()) {
      choosingPlayer=null;
    }
  }
  if (choosingPlayer == null) {
    choosingPlayerId=pickChoosingPlayer();
    if (choosingPlayerId == null) {
      return;
    }
    choosingPlayer=getPlayer(choosingPlayerId);
  }
  if (choosingPlayer == null) {
    return;
  }
  getState().setChoosingPlayerId(choosingPlayerId);
  if (choosingPlayer.choose(Outcome.Benefit,targetPlayer,null,this)) {
    startingPlayerId=targetPlayer.getTargets().get(0);
  }
 else   if (getState().getPlayers().size() < 3) {
    return;
  }
  if (startingPlayerId == null) {
    for (    Player player : state.getPlayers().values()) {
      if (player.isInGame()) {
        startingPlayerId=player.getId();
        break;
      }
    }
    if (startingPlayerId == null) {
      return;
    }
  }
  Player startingPlayer=state.getPlayer(startingPlayerId);
  if (startingPlayer == null) {
    logger.debug("String_Node_Str" + startingPlayerId);
    return;
  }
  StringBuilder message=new StringBuilder(choosingPlayer.getLogName()).append("String_Node_Str");
  if (choosingPlayer.getId().equals(startingPlayerId)) {
    message.append("String_Node_Str");
  }
 else {
    message.append(startingPlayer.getLogName());
  }
  message.append("String_Node_Str");
  this.informPlayers(message.toString());
  int startingHandSize=7;
  for (  UUID playerId : state.getPlayerList(startingPlayerId)) {
    Player player=getPlayer(playerId);
    if (!gameOptions.testMode || player.getLife() == 0) {
      player.initLife(this.getLife());
    }
    if (!gameOptions.testMode) {
      player.drawCards(startingHandSize,this);
    }
  }
  List<UUID> keepPlayers=new ArrayList<>();
  List<UUID> mulliganPlayers=new ArrayList<>();
  do {
    mulliganPlayers.clear();
    for (    UUID playerId : state.getPlayerList(startingPlayerId)) {
      if (!keepPlayers.contains(playerId)) {
        Player player=getPlayer(playerId);
        boolean keep=true;
        while (true) {
          if (player.getHand().isEmpty()) {
            break;
          }
          GameEvent event=new GameEvent(GameEvent.EventType.CAN_TAKE_MULLIGAN,null,null,playerId);
          if (!replaceEvent(event)) {
            fireEvent(event);
            getState().setChoosingPlayerId(playerId);
            if (player.chooseMulligan(this)) {
              keep=false;
            }
            break;
          }
        }
        if (keep) {
          endMulligan(player.getId());
          keepPlayers.add(playerId);
          fireInformEvent(player.getLogName() + "String_Node_Str");
        }
 else {
          mulliganPlayers.add(playerId);
          fireInformEvent(player.getLogName() + "String_Node_Str");
        }
      }
    }
    for (    UUID mulliganPlayerId : mulliganPlayers) {
      mulligan(mulliganPlayerId);
    }
    saveState(false);
  }
 while (!mulliganPlayers.isEmpty());
  for (  UUID playerId : state.getPlayerList(startingPlayerId)) {
    Player player=getPlayer(playerId);
    if (player != null && player.getHand().size() < startingHandSize) {
      player.scry(1,null,this);
    }
  }
  getState().setChoosingPlayerId(null);
  Watchers watchers=state.getWatchers();
  for (  UUID playerId : state.getPlayerList(startingPlayerId)) {
    watchers.add(new PlayerDamagedBySourceWatcher(playerId));
    watchers.add(new BloodthirstWatcher(playerId));
  }
  watchers.add(new MorbidWatcher());
  watchers.add(new CastSpellLastTurnWatcher());
  watchers.add(new PlayerLostLifeWatcher());
  watchers.add(new BlockedAttackerWatcher());
  watchers.add(new DamageDoneWatcher());
  for (  UUID playerId : state.getPlayerList(startingPlayerId)) {
    Player player=getPlayer(playerId);
    Cards cardsWithOpeningAction=new CardsImpl();
    for (    Card card : player.getHand().getCards(this)) {
      for (      Ability ability : card.getAbilities()) {
        if (ability instanceof OpeningHandAction) {
          OpeningHandAction action=(OpeningHandAction)ability;
          if (action.isOpeningHandActionAllowed(card,player,this)) {
            cardsWithOpeningAction.add(card);
          }
        }
      }
    }
    while (!cardsWithOpeningAction.isEmpty() && player.canRespond()) {
      Card card;
      if (cardsWithOpeningAction.size() > 1) {
        TargetCard targetCard=new TargetCard(1,Zone.HAND,new FilterCard("String_Node_Str"));
        player.chooseTarget(Outcome.Benefit,cardsWithOpeningAction,targetCard,null,this);
        card=getCard(targetCard.getFirstTarget());
      }
 else {
        card=cardsWithOpeningAction.getRandom(this);
      }
      if (card != null) {
        for (        Ability ability : card.getAbilities()) {
          if (ability instanceof OpeningHandAction) {
            OpeningHandAction action=(OpeningHandAction)ability;
            if (action.askUseOpeningHandAction(card,player,this)) {
              action.doOpeningHandAction(card,player,this);
            }
          }
        }
      }
      cardsWithOpeningAction.remove(card);
    }
  }
}

Fixed version (ground truth):
protected void init(UUID choosingPlayerId){
  for (  Player player : state.getPlayers().values()) {
    player.beginTurn(this);
    if (priorityTime > 0 && player.getPriorityTimeLeft() == Integer.MAX_VALUE) {
      initTimer(player.getId());
    }
  }
  if (startMessage == null || startMessage.isEmpty()) {
    startMessage="String_Node_Str";
  }
  fireStatusEvent(startMessage,false);
  saveState(false);
  if (gameOver(null)) {
    return;
  }
  if (!gameOptions.skipInitShuffling) {
    for (    Player player : state.getPlayers().values()) {
      player.shuffleLibrary(null,this);
    }
  }
  TargetPlayer targetPlayer=new TargetPlayer();
  targetPlayer.setTargetName("String_Node_Str");
  Player choosingPlayer=null;
  if (choosingPlayerId != null) {
    choosingPlayer=this.getPlayer(choosingPlayerId);
    if (choosingPlayer != null && !choosingPlayer.isInGame()) {
      choosingPlayer=null;
    }
  }
  if (choosingPlayer == null) {
    choosingPlayerId=pickChoosingPlayer();
    if (choosingPlayerId == null) {
      return;
    }
    choosingPlayer=getPlayer(choosingPlayerId);
  }
  if (choosingPlayer == null) {
    return;
  }
  getState().setChoosingPlayerId(choosingPlayerId);
  if (choosingPlayer.choose(Outcome.Benefit,targetPlayer,null,this)) {
    startingPlayerId=targetPlayer.getTargets().get(0);
  }
 else   if (getState().getPlayers().size() < 3) {
    return;
  }
  if (startingPlayerId == null) {
    for (    Player player : state.getPlayers().values()) {
      if (player.isInGame()) {
        startingPlayerId=player.getId();
        break;
      }
    }
    if (startingPlayerId == null) {
      return;
    }
  }
  Player startingPlayer=state.getPlayer(startingPlayerId);
  if (startingPlayer == null) {
    logger.debug("String_Node_Str" + startingPlayerId);
    return;
  }
  StringBuilder message=new StringBuilder(choosingPlayer.getLogName()).append("String_Node_Str");
  if (choosingPlayer.getId().equals(startingPlayerId)) {
    message.append("String_Node_Str");
  }
 else {
    message.append(startingPlayer.getLogName());
  }
  message.append("String_Node_Str");
  this.informPlayers(message.toString());
  int startingHandSize=7;
  for (  UUID playerId : state.getPlayerList(startingPlayerId)) {
    Player player=getPlayer(playerId);
    if (!gameOptions.testMode || player.getLife() == 0) {
      player.initLife(this.getLife());
    }
    if (!gameOptions.testMode) {
      player.drawCards(startingHandSize,this);
    }
  }
  List<UUID> keepPlayers=new ArrayList<>();
  List<UUID> mulliganPlayers=new ArrayList<>();
  do {
    mulliganPlayers.clear();
    for (    UUID playerId : state.getPlayerList(startingPlayerId)) {
      if (!keepPlayers.contains(playerId)) {
        Player player=getPlayer(playerId);
        boolean keep=true;
        while (true) {
          if (player.getHand().isEmpty()) {
            break;
          }
          GameEvent event=new GameEvent(GameEvent.EventType.CAN_TAKE_MULLIGAN,null,null,playerId);
          if (!replaceEvent(event)) {
            fireEvent(event);
            getState().setChoosingPlayerId(playerId);
            if (player.chooseMulligan(this)) {
              keep=false;
            }
            break;
          }
        }
        if (keep) {
          endMulligan(player.getId());
          keepPlayers.add(playerId);
          fireInformEvent(player.getLogName() + "String_Node_Str");
        }
 else {
          mulliganPlayers.add(playerId);
          fireInformEvent(player.getLogName() + "String_Node_Str");
        }
      }
    }
    for (    UUID mulliganPlayerId : mulliganPlayers) {
      mulligan(mulliganPlayerId);
    }
    saveState(false);
  }
 while (!mulliganPlayers.isEmpty());
  for (  UUID playerId : state.getPlayerList(startingPlayerId)) {
    Player player=getPlayer(playerId);
    if (player != null && player.getHand().size() < startingHandSize) {
      player.scry(1,null,this);
    }
  }
  getState().setChoosingPlayerId(null);
  state.getWatchers().reset();
  Watchers watchers=state.getWatchers();
  for (  UUID playerId : state.getPlayerList(startingPlayerId)) {
    watchers.add(new PlayerDamagedBySourceWatcher(playerId));
    watchers.add(new BloodthirstWatcher(playerId));
  }
  watchers.add(new MorbidWatcher());
  watchers.add(new CastSpellLastTurnWatcher());
  watchers.add(new PlayerLostLifeWatcher());
  watchers.add(new BlockedAttackerWatcher());
  watchers.add(new DamageDoneWatcher());
  for (  UUID playerId : state.getPlayerList(startingPlayerId)) {
    Player player=getPlayer(playerId);
    Cards cardsWithOpeningAction=new CardsImpl();
    for (    Card card : player.getHand().getCards(this)) {
      for (      Ability ability : card.getAbilities()) {
        if (ability instanceof OpeningHandAction) {
          OpeningHandAction action=(OpeningHandAction)ability;
          if (action.isOpeningHandActionAllowed(card,player,this)) {
            cardsWithOpeningAction.add(card);
          }
        }
      }
    }
    while (!cardsWithOpeningAction.isEmpty() && player.canRespond()) {
      Card card;
      if (cardsWithOpeningAction.size() > 1) {
        TargetCard targetCard=new TargetCard(1,Zone.HAND,new FilterCard("String_Node_Str"));
        player.chooseTarget(Outcome.Benefit,cardsWithOpeningAction,targetCard,null,this);
        card=getCard(targetCard.getFirstTarget());
      }
 else {
        card=cardsWithOpeningAction.getRandom(this);
      }
      if (card != null) {
        for (        Ability ability : card.getAbilities()) {
          if (ability instanceof OpeningHandAction) {
            OpeningHandAction action=(OpeningHandAction)ability;
            if (action.askUseOpeningHandAction(card,player,this)) {
              action.doOpeningHandAction(card,player,this);
            }
          }
        }
      }
      cardsWithOpeningAction.remove(card);
    }
  }
}