Program: 158525
Project: 158525
Buggy source:
@Override public boolean checkTrigger(GameEvent event,Game game){
  if (((ZoneChangeEvent)event).isDiesEvent()) {
    ZoneChangeEvent zEvent=(ZoneChangeEvent)event;
    boolean triggered=false;
    if (zEvent.getTarget().getAttachments().contains(this.getSourceId())) {
      triggered=true;
    }
 else {
      Permanent attachment=game.getPermanentOrLKIBattlefield(getSourceId());
      if (attachment != null && zEvent.getTargetId() != null && attachment.getAttachedTo() != null && zEvent.getTargetId().equals(attachment.getAttachedTo())) {
        Permanent attachedTo=game.getPermanentOrLKIBattlefield(attachment.getAttachedTo());
        if (attachedTo != null && attachment.getAttachedToZoneChangeCounter() == attachedTo.getZoneChangeCounter(game)) {
          triggered=true;
        }
      }
    }
    if (triggered) {
      for (      Effect effect : getEffects()) {
        effect.setValue("String_Node_Str",zEvent.getTarget());
        if (setTargetPointer.equals(SetTargetPointer.ATTACHED_TO_CONTROLLER)) {
          Permanent attachment=game.getPermanentOrLKIBattlefield(getSourceId());
          if (attachment != null && attachment.getAttachedTo() != null) {
            Permanent attachedTo=(Permanent)game.getLastKnownInformation(attachment.getAttachedTo(),Zone.BATTLEFIELD,attachment.getAttachedToZoneChangeCounter());
            if (attachedTo != null) {
              effect.setTargetPointer(new FixedTarget(attachedTo.getControllerId()));
            }
          }
        }
      }
      return true;
    }
  }
  return false;
}

Fixed version (ground truth):
@Override public boolean checkTrigger(GameEvent event,Game game){
  if (((ZoneChangeEvent)event).isDiesEvent()) {
    ZoneChangeEvent zEvent=(ZoneChangeEvent)event;
    boolean triggered=false;
    if (zEvent.getTarget().getAttachments() != null && zEvent.getTarget().getAttachments().contains(this.getSourceId())) {
      triggered=true;
    }
 else {
      Permanent attachment=game.getPermanentOrLKIBattlefield(getSourceId());
      if (attachment != null && zEvent.getTargetId() != null && attachment.getAttachedTo() != null && zEvent.getTargetId().equals(attachment.getAttachedTo())) {
        Permanent attachedTo=game.getPermanentOrLKIBattlefield(attachment.getAttachedTo());
        if (attachedTo != null && attachment.getAttachedToZoneChangeCounter() == attachedTo.getZoneChangeCounter(game)) {
          triggered=true;
        }
      }
    }
    if (triggered) {
      for (      Effect effect : getEffects()) {
        effect.setValue("String_Node_Str",zEvent.getTarget());
        if (setTargetPointer.equals(SetTargetPointer.ATTACHED_TO_CONTROLLER)) {
          Permanent attachment=game.getPermanentOrLKIBattlefield(getSourceId());
          if (attachment != null && attachment.getAttachedTo() != null) {
            Permanent attachedTo=(Permanent)game.getLastKnownInformation(attachment.getAttachedTo(),Zone.BATTLEFIELD,attachment.getAttachedToZoneChangeCounter());
            if (attachedTo != null) {
              effect.setTargetPointer(new FixedTarget(attachedTo.getControllerId()));
            }
          }
        }
      }
      return true;
    }
  }
  return false;
}