Program: 112857
Project: 112857
Buggy source:
/** 
 * Attack with the minion
 * @param thisMinionIndex Attacking minion's index (note: attacking player index is assumed to be 0)
 * @param playerIndex The index of the target player.  0 if targeting yourself or your own minions, 1 if targeting the enemy
 * @param minionIndex The index of the target minion.
 * @param boardState The BoardState before this card has performed its action.  It will be manipulated and returned.
 * @return The boardState is manipulated and returned
 */
protected HearthTreeNode<BoardState> attack_core(int thisMinionIndex,int playerIndex,int minionIndex,HearthTreeNode<BoardState> boardState,Deck deck) throws HSInvalidPlayerIndexException {
  if (hasAttacked_) {
    return null;
  }
  if (playerIndex == 0) {
    return null;
  }
  if (minionIndex == 0) {
    boardState.data_.getHero_p1().takeDamage(this.attack_,playerIndex,minionIndex,boardState,deck);
    this.takeDamage(boardState.data_.getHero_p1().attack_,0,thisMinionIndex,boardState,deck);
    if (windFury_ && !hasWindFuryAttacked_)     hasWindFuryAttacked_=true;
 else     hasAttacked_=true;
    return boardState;
  }
 else {
    Minion target=boardState.data_.getMinion_p1(minionIndex - 1);
    target.takeDamage(this.attack_,playerIndex,minionIndex,boardState,deck);
    this.takeDamage(target.attack_,0,thisMinionIndex,boardState,deck);
    if (target.getHealth() <= 0) {
      boardState.data_.removeMinion_p1(target);
    }
    if (health_ <= 0) {
      boardState.data_.removeMinion_p0(thisMinionIndex - 1);
    }
    if (windFury_ && !hasWindFuryAttacked_)     hasWindFuryAttacked_=true;
 else     hasAttacked_=true;
    return boardState;
  }
}

Fixed version (ground truth):
/** 
 * Attack with the minion
 * @param thisMinionIndex Attacking minion's index (note: attacking player index is assumed to be 0)
 * @param playerIndex The index of the target player.  0 if targeting yourself or your own minions, 1 if targeting the enemy
 * @param minionIndex The index of the target minion.
 * @param boardState The BoardState before this card has performed its action.  It will be manipulated and returned.
 * @return The boardState is manipulated and returned
 */
protected HearthTreeNode<BoardState> attack_core(int thisMinionIndex,int playerIndex,int minionIndex,HearthTreeNode<BoardState> boardState,Deck deck) throws HSInvalidPlayerIndexException {
  if (hasAttacked_) {
    return null;
  }
  if (playerIndex == 0) {
    return null;
  }
  if (minionIndex == 0) {
    boardState.data_.getHero_p1().takeDamage(this.attack_,0,playerIndex,minionIndex,boardState,deck);
    this.takeDamage(boardState.data_.getHero_p1().attack_,playerIndex,0,thisMinionIndex,boardState,deck);
    if (windFury_ && !hasWindFuryAttacked_)     hasWindFuryAttacked_=true;
 else     hasAttacked_=true;
    return boardState;
  }
 else {
    Minion target=boardState.data_.getMinion_p1(minionIndex - 1);
    target.takeDamage(this.attack_,0,playerIndex,minionIndex,boardState,deck);
    this.takeDamage(target.attack_,playerIndex,0,thisMinionIndex,boardState,deck);
    if (target.getHealth() <= 0) {
      boardState.data_.removeMinion_p1(target);
    }
    if (health_ <= 0) {
      boardState.data_.removeMinion_p0(thisMinionIndex - 1);
    }
    if (windFury_ && !hasWindFuryAttacked_)     hasWindFuryAttacked_=true;
 else     hasAttacked_=true;
    return boardState;
  }
}