Program: 159688
Project: 159688
Buggy source:
/** 
 * Checks all available splice effects to be applied.
 * @param abilityToModify
 * @param game
 * @return
 */
public void applySpliceEffects(Ability abilityToModify,Game game){
  if (((SpellAbility)abilityToModify).getSpellAbilityType().equals(SpellAbilityType.SPLICE)) {
    return;
  }
  List<SpliceCardEffect> spliceEffects=getApplicableSpliceCardEffects(game);
  List<SpliceOntoArcaneAbility> spliceAbilities=new ArrayList<SpliceOntoArcaneAbility>();
  for (  SpliceCardEffect effect : spliceEffects) {
    HashSet<Ability> abilities=spliceCardEffects.getAbility(effect.getId());
    for (    Ability ability : abilities) {
      if (effect.applies(abilityToModify,ability,game)) {
        spliceAbilities.add((SpliceOntoArcaneAbility)ability);
      }
    }
  }
  if (spliceAbilities.size() > 0) {
    Player controller=game.getPlayer(abilityToModify.getControllerId());
    if (controller.chooseUse(Outcome.Benefit,"String_Node_Str",game)) {
      Cards cardsToReveal=new CardsImpl();
      do {
        FilterCard filter=new FilterCard("String_Node_Str");
        ArrayList<Predicate<MageObject>> idPredicates=new ArrayList<Predicate<MageObject>>();
        for (        SpliceOntoArcaneAbility ability : spliceAbilities) {
          idPredicates.add(new CardIdPredicate((ability.getSourceId())));
        }
        filter.add(Predicates.or(idPredicates));
        TargetCardInHand target=new TargetCardInHand(filter);
        target.setRequired(true);
        controller.chooseTarget(Outcome.Benefit,target,abilityToModify,game);
        UUID cardId=target.getFirstTarget();
        if (cardId != null) {
          SpliceOntoArcaneAbility selectedAbility=null;
          for (          SpliceOntoArcaneAbility ability : spliceAbilities) {
            if (ability.getSourceId().equals(cardId)) {
              selectedAbility=ability;
              break;
            }
          }
          if (selectedAbility != null) {
            SpliceCardEffect spliceEffect=(SpliceCardEffect)selectedAbility.getEffects().get(0);
            spliceEffect.apply(game,selectedAbility,abilityToModify);
            cardsToReveal.add(game.getCard(cardId));
            spliceAbilities.remove(selectedAbility);
          }
        }
      }
 while (!spliceAbilities.isEmpty() && controller.chooseUse(Outcome.Benefit,"String_Node_Str",game));
      controller.revealCards("String_Node_Str",cardsToReveal,game);
    }
  }
}

Fixed version (ground truth):
/** 
 * Checks all available splice effects to be applied.
 * @param abilityToModify
 * @param game
 * @return
 */
public void applySpliceEffects(Ability abilityToModify,Game game){
  if (((SpellAbility)abilityToModify).getSpellAbilityType().equals(SpellAbilityType.SPLICE)) {
    return;
  }
  List<SpliceCardEffect> spliceEffects=getApplicableSpliceCardEffects(game,abilityToModify.getControllerId());
  List<SpliceOntoArcaneAbility> spliceAbilities=new ArrayList<SpliceOntoArcaneAbility>();
  for (  SpliceCardEffect effect : spliceEffects) {
    HashSet<Ability> abilities=spliceCardEffects.getAbility(effect.getId());
    for (    Ability ability : abilities) {
      if (effect.applies(abilityToModify,ability,game)) {
        spliceAbilities.add((SpliceOntoArcaneAbility)ability);
      }
    }
  }
  if (spliceAbilities.size() > 0) {
    Player controller=game.getPlayer(abilityToModify.getControllerId());
    if (controller.chooseUse(Outcome.Benefit,"String_Node_Str",game)) {
      Cards cardsToReveal=new CardsImpl();
      do {
        FilterCard filter=new FilterCard("String_Node_Str");
        ArrayList<Predicate<MageObject>> idPredicates=new ArrayList<Predicate<MageObject>>();
        for (        SpliceOntoArcaneAbility ability : spliceAbilities) {
          idPredicates.add(new CardIdPredicate((ability.getSourceId())));
        }
        filter.add(Predicates.or(idPredicates));
        TargetCardInHand target=new TargetCardInHand(filter);
        target.setRequired(true);
        controller.chooseTarget(Outcome.Benefit,target,abilityToModify,game);
        UUID cardId=target.getFirstTarget();
        if (cardId != null) {
          SpliceOntoArcaneAbility selectedAbility=null;
          for (          SpliceOntoArcaneAbility ability : spliceAbilities) {
            if (ability.getSourceId().equals(cardId)) {
              selectedAbility=ability;
              break;
            }
          }
          if (selectedAbility != null) {
            SpliceCardEffect spliceEffect=(SpliceCardEffect)selectedAbility.getEffects().get(0);
            spliceEffect.apply(game,selectedAbility,abilityToModify);
            cardsToReveal.add(game.getCard(cardId));
            spliceAbilities.remove(selectedAbility);
          }
        }
      }
 while (!spliceAbilities.isEmpty() && controller.chooseUse(Outcome.Benefit,"String_Node_Str",game));
      controller.revealCards("String_Node_Str",cardsToReveal,game);
    }
  }
}