buff() missing 1 required positional argument: 'buff'

[Ragowit]

Deck 1: ['EX1_508', 'CS2_226', 'CS2_142', 'EX1_011', 'CS1_042', 'EX1_011', 'CS2_197', 'EX1_399', 'CS2_173', 'CS2_023', 'CS1_042', 'CS2_122', 'CS2_120', 'DS1_055', 'CS2_162', 'CS2_187', 'CS2_120', 'CS2_141', 'DS1_055', 'CS2_032', 'CS2_127', 'CS2_029', 'CS2_173', 'EX1_399', 'EX1_066', 'EX1_508', 'CS2_026', 'CS2_122', 'CS2_171', 'CS2_187']

Deck 2: ['CS2_074', 'NEW1_023', 'EX1_059', 'CS2_117', 'CS2_189', 'FP1_008', 'EX1_564', 'EX1_128', 'EX1_126', 'CS2_120', 'GVG_013', 'CS2_169', 'GVG_067', 'EX1_145', 'CS2_073', 'EX1_561', 'CS2_161', 'CS2_169', 'FP1_016', 'EX1_048', 'CS2_124', 'CS2_196', 'BRM_019', 'CS2_161', 'FP1_024', 'GVG_102', 'FP1_001', 'EX1_100', 'CS2_172', 'EX1_029']

Traceback (most recent call last):
  File "C:\Users\Ragowit\Documents\GitHub\fireplace\mcts\uct.py", line 530, in UCTPlayGame
    m = UCT(rootstate = state, seconds = 10, verbose = False)
  File "C:\Users\Ragowit\Documents\GitHub\fireplace\mcts\uct.py", line 500, in UCT
    state.DoMove(random.choice(state.GetMoves()))
  File "C:\Users\Ragowit\Documents\GitHub\fireplace\mcts\uct.py", line 145, in DoMove
    card.play()
  File "C:\Users\Ragowit\Documents\GitHub\fireplace\fireplace\card.py", line 277, in play
    self.controller.play(self, target, choose)
  File "C:\Users\Ragowit\Documents\GitHub\fireplace\fireplace\player.py", line 212, in play
    self.game.action(PowSubType.PLAY, self, card, target, choose)
  File "C:\Users\Ragowit\Documents\GitHub\fireplace\fireplace\game.py", line 54, in action
    args[0]._play(*args[1:])
  File "C:\Users\Ragowit\Documents\GitHub\fireplace\fireplace\player.py", line 220, in _play
    self.game.broadcast("CARD_PLAYED", self, card)
  File "C:\Users\Ragowit\Documents\GitHub\fireplace\fireplace\game.py", line 177, in broadcast
    super().broadcast(event, *args)
  File "C:\Users\Ragowit\Documents\GitHub\fireplace\fireplace\entity.py", line 24, in broadcast
    f(*args)
  File "C:\Users\Ragowit\Documents\GitHub\fireplace\fireplace\card.py", line 60, in <lambda>
    _func = lambda *args: func(self, *args)
  File "C:\Users\Ragowit\Documents\GitHub\fireplace\fireplace\cards\gvg\neutral_common.py", line 19, in CARD_PLAYED
    self.buff("GVG_067a")
TypeError: buff() missing 1 required positional argument: 'buff'

INFO:root:one begins turn 25
INFO:root:one is now at 11 mana crystals
DEBUG:root:<Spell ('Frost Nova')> moves from <Zone.DECK: 2> to <Zone.HAND: 3>
INFO:root:one draws <Spell ('Frost Nova')>
INFO:root:one plays hero power <HeroPower ('Fireblast')>
INFO:root:Activating <HeroPower ('Fireblast')> action targeting <Minion ('Alexstrasza')>
INFO:root:<HeroPower ('Fireblast')> hits <Minion ('Alexstrasza')> for 1
INFO:root:<Minion ('Alexstrasza')> damaged for 1 health
INFO:root:<Minion ('Voodoo Doctor')> attacks <Minion ('Alexstrasza')>
INFO:root:<Minion ('Voodoo Doctor')> hits <Minion ('Alexstrasza')> for 2
INFO:root:<Minion ('Alexstrasza')> damaged for 2 health
INFO:root:<Minion ('Alexstrasza')> hits <Minion ('Voodoo Doctor')> for 8
INFO:root:<Minion ('Voodoo Doctor')> damaged for 8 health
INFO:root:<Minion ('Voodoo Doctor')> dies
INFO:root:<Minion ('Voodoo Doctor')> is removed from the field
INFO:root:<Minion ('Voodoo Doctor')> healed for 8 health
DEBUG:root:<Minion ('Voodoo Doctor')> moves from <Zone.PLAY: 1> to <Zone.GRAVEYARD: 4>
INFO:root:<Minion ('Alexstrasza')> dies
INFO:root:<Minion ('Alexstrasza')> is removed from the field
INFO:root:<Minion ('Alexstrasza')> healed for 10 health
DEBUG:root:<Minion ('Alexstrasza')> moves from <Zone.PLAY: 1> to <Zone.GRAVEYARD: 4>
INFO:root:one plays <Spell ('Frost Nova')> from their hand