Program: 157640
Project: 157640
Buggy source:
@Override public boolean apply(Game game,Ability source){
  Player controller=game.getPlayer(source.getControllerId());
  Player targetPlayer=game.getPlayer(source.getFirstTarget());
  MageObject sourceObject=game.getObject(source.getSourceId());
  Card card=null;
  if (controller != null && targetPlayer != null && sourceObject != null) {
    TargetCard targetCard=new TargetCard(Zone.HAND,new FilterCard());
    if (controller.choose(Outcome.Discard,targetPlayer.getHand(),targetCard,game)) {
      card=game.getCard(targetCard.getFirstTarget());
    }
    controller.controlPlayersTurn(game,targetPlayer.getId());
    while (controller != null && controller.canRespond()) {
      if (controller.chooseUse(Outcome.Benefit,"String_Node_Str" + sourceObject.getLogName() + "String_Node_Str"+ (card != null ? "String_Node_Str" + card.getLogName() : "String_Node_Str")+ '?',source,game)) {
        break;
      }
    }
    if (card != null) {
      RestrictionEffect effect=new WordOfCommandCantActivateEffect();
      effect.setTargetPointer(new FixedTarget(targetPlayer.getId()));
      game.addEffect(effect,source);
      ManaPool manaPool=targetPlayer.getManaPool();
      manaPool.setForcedToPay(true);
      int bookmark=game.bookmarkState();
      if ((card.isLand() && (!targetPlayer.canPlayLand() || !game.getActivePlayerId().equals(targetPlayer.getId()))) || !targetPlayer.playCard(card,game,false,true,new MageObjectReference(source.getSourceObject(game),game))) {
        game.informPlayers(targetPlayer.getLogName() + "String_Node_Str" + card.getLogName());
      }
      manaPool.setForcedToPay(false);
      manaPool=targetPlayer.getManaPool();
      manaPool.setForcedToPay(false);
      game.removeBookmark(bookmark);
      targetPlayer.resetStoredBookmark(game);
      for (      RestrictionEffect eff : game.getContinuousEffects().getRestrictionEffects()) {
        if (eff instanceof WordOfCommandCantActivateEffect) {
          eff.discard();
        }
      }
      game.getContinuousEffects().removeInactiveEffects(game);
      Spell spell=game.getSpell(card.getId());
      if (spell != null) {
        spell.setCommandedBy(controller.getId());
      }
    }
    Spell wordOfCommand=game.getSpell(sourceObject.getId());
    if (wordOfCommand != null) {
      wordOfCommand.setCommandedBy(controller.getId());
    }
 else {
      controller.resetOtherTurnsControlled();
      targetPlayer.setGameUnderYourControl(true);
    }
    return true;
  }
  return false;
}

Fixed version (ground truth):
@Override public boolean apply(Game game,Ability source){
  Player controller=game.getPlayer(source.getControllerId());
  Player targetPlayer=game.getPlayer(source.getFirstTarget());
  MageObject sourceObject=game.getObject(source.getSourceId());
  Card card=null;
  if (controller != null && targetPlayer != null && sourceObject != null) {
    TargetCard targetCard=new TargetCard(Zone.HAND,new FilterCard());
    if (controller.choose(Outcome.Discard,targetPlayer.getHand(),targetCard,game)) {
      card=game.getCard(targetCard.getFirstTarget());
    }
    controller.controlPlayersTurn(game,targetPlayer.getId());
    while (controller != null && controller.canRespond()) {
      if (controller.chooseUse(Outcome.Benefit,"String_Node_Str" + sourceObject.getLogName() + "String_Node_Str"+ (card != null ? "String_Node_Str" + card.getLogName() : "String_Node_Str")+ '?',source,game)) {
        break;
      }
    }
    if (card != null) {
      RestrictionEffect effect=new WordOfCommandCantActivateEffect();
      effect.setTargetPointer(new FixedTarget(targetPlayer.getId()));
      game.addEffect(effect,source);
      ManaPool manaPool=targetPlayer.getManaPool();
      manaPool.setForcedToPay(true);
      manaPool.storeMana();
      int bookmark=game.bookmarkState();
      if ((card.isLand() && (!targetPlayer.canPlayLand() || !game.getActivePlayerId().equals(targetPlayer.getId()))) || !targetPlayer.playCard(card,game,false,true,new MageObjectReference(source.getSourceObject(game),game))) {
        game.informPlayers(targetPlayer.getLogName() + "String_Node_Str" + card.getLogName());
      }
      manaPool.setForcedToPay(false);
      manaPool=targetPlayer.getManaPool();
      manaPool.setForcedToPay(false);
      game.removeBookmark(bookmark);
      targetPlayer.resetStoredBookmark(game);
      for (      RestrictionEffect eff : game.getContinuousEffects().getRestrictionEffects()) {
        if (eff instanceof WordOfCommandCantActivateEffect) {
          eff.discard();
        }
      }
      game.getContinuousEffects().removeInactiveEffects(game);
      Spell spell=game.getSpell(card.getId());
      if (spell != null) {
        spell.setCommandedBy(controller.getId());
      }
    }
    Spell wordOfCommand=game.getSpell(source.getSourceId());
    if (wordOfCommand != null) {
      wordOfCommand.setCommandedBy(controller.getId());
    }
 else {
      controller.resetOtherTurnsControlled();
      targetPlayer.setGameUnderYourControl(true);
    }
    return true;
  }
  return false;
}