Program: 158299
Project: 158299
Buggy source:
@Override public List<Ability> getPlayable(Game game,boolean hidden){
  List<Ability> playable=new ArrayList<>();
  if (!shouldSkipGettingPlayable(game)) {
    ManaOptions availableMana=getManaAvailable(game);
    availableMana.addMana(manaPool.getMana());
    for (    ConditionalMana conditionalMana : manaPool.getConditionalMana()) {
      availableMana.addMana(conditionalMana);
    }
    if (hidden) {
      for (      Card card : hand.getUniqueCards(game)) {
        for (        Ability ability : card.getAbilities(game)) {
          if (ability.getZone().match(Zone.HAND)) {
            if (ability instanceof ActivatedAbility) {
              if (!(ability instanceof PlayLandAbility) || !game.getContinuousEffects().preventedByRuleModification(GameEvent.getEvent(GameEvent.EventType.PLAY_LAND,ability.getSourceId(),ability.getSourceId(),playerId),ability,game,true)) {
                if (canPlay((ActivatedAbility)ability,availableMana,card,game)) {
                  playable.add(ability);
                }
              }
            }
 else             if (ability instanceof AlternativeSourceCosts) {
              if (card.getCardType().contains(CardType.LAND)) {
                if (canLandPlayAlternateSourceCostsAbility(card,availableMana,ability,game)) {
                  playable.add(ability);
                }
              }
 else               if (card.getCardType().contains(CardType.CREATURE)) {
                if (!playable.contains(card.getSpellAbility())) {
                  if (((AlternativeSourceCosts)ability).isAvailable(card.getSpellAbility(),game)) {
                    playable.add(card.getSpellAbility());
                  }
                }
              }
            }
          }
        }
      }
    }
    for (    Card card : graveyard.getUniqueCards(game)) {
      boolean asThoughtCast=game.getContinuousEffects().asThough(card.getId(),AsThoughEffectType.PLAY_FROM_NOT_OWN_HAND_ZONE,this.getId(),game);
      for (      ActivatedAbility ability : card.getAbilities().getActivatedAbilities(Zone.ALL)) {
        boolean possible=false;
        if (ability.getZone().match(Zone.GRAVEYARD)) {
          possible=true;
        }
 else         if (ability.getZone().match(Zone.HAND) && (ability instanceof SpellAbility || ability instanceof PlayLandAbility)) {
          if (asThoughtCast || canPlayCardsFromGraveyard()) {
            possible=true;
          }
        }
        if (possible && canPlay(ability,availableMana,card,game)) {
          playable.add(ability);
        }
      }
      LinkedHashMap<UUID,ActivatedAbility> useable=new LinkedHashMap<>();
      getOtherUseableActivatedAbilities(card,Zone.GRAVEYARD,game,useable);
      for (      Ability ability : useable.values()) {
        playable.add(ability);
      }
    }
    for (    ExileZone exile : game.getExile().getExileZones()) {
      for (      Card card : exile.getCards(game)) {
        if (game.getContinuousEffects().asThough(card.getId(),AsThoughEffectType.PLAY_FROM_NOT_OWN_HAND_ZONE,this.getId(),game)) {
          for (          Ability ability : card.getAbilities()) {
            if (ability.getZone().match(Zone.HAND)) {
              ability.setControllerId(this.getId());
              if (ability instanceof ActivatedAbility) {
                if (((ActivatedAbility)ability).canActivate(playerId,game)) {
                  playable.add(ability);
                }
              }
            }
          }
        }
      }
    }
    for (    Cards cards : game.getState().getRevealed().values()) {
      for (      Card card : cards.getCards(game)) {
        if (game.getContinuousEffects().asThough(card.getId(),AsThoughEffectType.PLAY_FROM_NOT_OWN_HAND_ZONE,this.getId(),game)) {
          for (          ActivatedAbility ability : card.getAbilities().getActivatedAbilities(Zone.HAND)) {
            if (ability instanceof SpellAbility || ability instanceof PlayLandAbility) {
              playable.add(ability);
            }
          }
        }
      }
    }
    for (    UUID playerInRangeId : game.getState().getPlayersInRange(getId(),game)) {
      Player player=game.getPlayer(playerInRangeId);
      if (player != null) {
        if (player.isTopCardRevealed() && player.getLibrary().size() > 0) {
          Card card=player.getLibrary().getFromTop(game);
          if (game.getContinuousEffects().asThough(card.getId(),AsThoughEffectType.PLAY_FROM_NOT_OWN_HAND_ZONE,getId(),game)) {
            for (            ActivatedAbility ability : card.getAbilities().getActivatedAbilities(Zone.HAND)) {
              if (ability instanceof SpellAbility || ability instanceof PlayLandAbility) {
                playable.add(ability);
              }
            }
          }
        }
      }
    }
    Map<String,Ability> playableActivated=new HashMap<>();
    for (    Permanent permanent : game.getBattlefield().getAllActivePermanents(playerId)) {
      LinkedHashMap<UUID,ActivatedAbility> useableAbilities=getUseableActivatedAbilities(permanent,Zone.BATTLEFIELD,game);
      for (      ActivatedAbility ability : useableAbilities.values()) {
        if (!playableActivated.containsKey(ability.toString())) {
          playableActivated.put(ability.toString(),ability);
        }
      }
    }
    for (    StackObject stackObject : game.getState().getStack()) {
      for (      ActivatedAbility ability : stackObject.getAbilities().getActivatedAbilities(Zone.STACK)) {
        if (ability instanceof ActivatedAbility && canPlay(ability,availableMana,game.getObject(ability.getSourceId()),game)) {
          playableActivated.put(ability.toString(),ability);
        }
      }
    }
    for (    CommandObject commandObject : game.getState().getCommand()) {
      for (      ActivatedAbility ability : commandObject.getAbilities().getActivatedAbilities(Zone.COMMAND)) {
        if (ability.getControllerId().equals(getId()) && ability instanceof ActivatedAbility && canPlay(ability,availableMana,game.getObject(ability.getSourceId()),game)) {
          playableActivated.put(ability.toString(),ability);
        }
      }
    }
    playable.addAll(playableActivated.values());
  }
  return playable;
}

Fixed version (ground truth):
@Override public List<Ability> getPlayable(Game game,boolean hidden){
  List<Ability> playable=new ArrayList<>();
  if (!shouldSkipGettingPlayable(game)) {
    ManaOptions availableMana=getManaAvailable(game);
    availableMana.addMana(manaPool.getMana());
    for (    ConditionalMana conditionalMana : manaPool.getConditionalMana()) {
      availableMana.addMana(conditionalMana);
    }
    if (hidden) {
      for (      Card card : hand.getUniqueCards(game)) {
        for (        Ability ability : card.getAbilities(game)) {
          if (ability.getZone().match(Zone.HAND)) {
            if (ability instanceof ActivatedAbility) {
              if (!(ability instanceof PlayLandAbility) || !game.getContinuousEffects().preventedByRuleModification(GameEvent.getEvent(GameEvent.EventType.PLAY_LAND,ability.getSourceId(),ability.getSourceId(),playerId),ability,game,true)) {
                if (canPlay((ActivatedAbility)ability,availableMana,card,game)) {
                  playable.add(ability);
                }
              }
            }
 else             if (ability instanceof AlternativeSourceCosts) {
              if (card.getCardType().contains(CardType.LAND)) {
                if (canLandPlayAlternateSourceCostsAbility(card,availableMana,ability,game)) {
                  playable.add(ability);
                }
              }
 else               if (card.getCardType().contains(CardType.CREATURE)) {
                if (!playable.contains(card.getSpellAbility())) {
                  if (((AlternativeSourceCosts)ability).isAvailable(card.getSpellAbility(),game)) {
                    playable.add(card.getSpellAbility());
                  }
                }
              }
            }
          }
        }
      }
    }
    for (    Card card : graveyard.getUniqueCards(game)) {
      boolean asThoughtCast=game.getContinuousEffects().asThough(card.getId(),AsThoughEffectType.PLAY_FROM_NOT_OWN_HAND_ZONE,this.getId(),game);
      for (      ActivatedAbility ability : card.getAbilities().getActivatedAbilities(Zone.ALL)) {
        boolean possible=false;
        if (ability.getZone().match(Zone.GRAVEYARD)) {
          possible=true;
        }
 else         if (ability.getZone().match(Zone.HAND) && (ability instanceof SpellAbility || ability instanceof PlayLandAbility)) {
          if (asThoughtCast || canPlayCardsFromGraveyard()) {
            possible=true;
          }
        }
        if (possible && canPlay(ability,availableMana,card,game)) {
          playable.add(ability);
        }
      }
      LinkedHashMap<UUID,ActivatedAbility> useable=new LinkedHashMap<>();
      getOtherUseableActivatedAbilities(card,Zone.GRAVEYARD,game,useable);
      for (      Ability ability : useable.values()) {
        playable.add(ability);
      }
    }
    for (    ExileZone exile : game.getExile().getExileZones()) {
      for (      Card card : exile.getCards(game)) {
        if (game.getContinuousEffects().asThough(card.getId(),AsThoughEffectType.PLAY_FROM_NOT_OWN_HAND_ZONE,this.getId(),game)) {
          for (          Ability ability : card.getAbilities()) {
            if (ability.getZone().match(Zone.HAND)) {
              ability.setControllerId(this.getId());
              if (ability instanceof ActivatedAbility) {
                if (((ActivatedAbility)ability).canActivate(playerId,game)) {
                  playable.add(ability);
                }
              }
              ability.setControllerId(card.getOwnerId());
            }
          }
        }
      }
    }
    for (    Cards cards : game.getState().getRevealed().values()) {
      for (      Card card : cards.getCards(game)) {
        if (game.getContinuousEffects().asThough(card.getId(),AsThoughEffectType.PLAY_FROM_NOT_OWN_HAND_ZONE,this.getId(),game)) {
          for (          ActivatedAbility ability : card.getAbilities().getActivatedAbilities(Zone.HAND)) {
            if (ability instanceof SpellAbility || ability instanceof PlayLandAbility) {
              playable.add(ability);
            }
          }
        }
      }
    }
    for (    UUID playerInRangeId : game.getState().getPlayersInRange(getId(),game)) {
      Player player=game.getPlayer(playerInRangeId);
      if (player != null) {
        if (player.isTopCardRevealed() && player.getLibrary().size() > 0) {
          Card card=player.getLibrary().getFromTop(game);
          if (game.getContinuousEffects().asThough(card.getId(),AsThoughEffectType.PLAY_FROM_NOT_OWN_HAND_ZONE,getId(),game)) {
            for (            ActivatedAbility ability : card.getAbilities().getActivatedAbilities(Zone.HAND)) {
              if (ability instanceof SpellAbility || ability instanceof PlayLandAbility) {
                playable.add(ability);
              }
            }
          }
        }
      }
    }
    Map<String,Ability> playableActivated=new HashMap<>();
    for (    Permanent permanent : game.getBattlefield().getAllActivePermanents(playerId)) {
      LinkedHashMap<UUID,ActivatedAbility> useableAbilities=getUseableActivatedAbilities(permanent,Zone.BATTLEFIELD,game);
      for (      ActivatedAbility ability : useableAbilities.values()) {
        if (!playableActivated.containsKey(ability.toString())) {
          playableActivated.put(ability.toString(),ability);
        }
      }
    }
    for (    StackObject stackObject : game.getState().getStack()) {
      for (      ActivatedAbility ability : stackObject.getAbilities().getActivatedAbilities(Zone.STACK)) {
        if (ability instanceof ActivatedAbility && canPlay(ability,availableMana,game.getObject(ability.getSourceId()),game)) {
          playableActivated.put(ability.toString(),ability);
        }
      }
    }
    for (    CommandObject commandObject : game.getState().getCommand()) {
      for (      ActivatedAbility ability : commandObject.getAbilities().getActivatedAbilities(Zone.COMMAND)) {
        if (ability.getControllerId().equals(getId()) && ability instanceof ActivatedAbility && canPlay(ability,availableMana,game.getObject(ability.getSourceId()),game)) {
          playableActivated.put(ability.toString(),ability);
        }
      }
    }
    playable.addAll(playableActivated.values());
  }
  return playable;
}