name: Fishborg
card_text: If this card is in your Graveyard and you control no monsters during either of your Main Phases: You can discard 1 WATER monster; Special Summon this card from your Graveyard, but destroy all monsters you control at the beginning of this turn's Battle Phase, except for WATER monsters. You can only use the effect of "Fishborg Archer" once per turn.
lua: local s, id, o = GetID()
  function s.initial_effect(c)
  	--spsummon
  	local e1 = Effect.CreateEffect(c)
  	e1:SetDescription(aux.Stringid(id, 0))
  	e1:SetCategory(CATEGORY_SPECIAL_SUMMON)
  	e1:SetType(EFFECT_TYPE_IGNITION)
  	e1:SetRange(LOCATION_GRAVE)
  	e1:SetCountLimit(1, id)
  	e1:SetCondition(s.spcon)
  	e1:SetCost(s.spcost)
  	e1:SetTarget(s.sptg)
  	e1:SetOperation(s.spop)
  	c:RegisterEffect(e1)
  end
  function s.spcon(e, tp, eg, ep, ev, re, r, rp)
  	return Duel.GetFieldGroupCount(tp, LOCATION_MZONE, 0) == 0
  end
  function s.cfilter(c)
  	return c:IsAttribute(ATTRIBUTE_WATER) and c:IsDiscardable()
  end
  function s.spcost(e, tp, eg, ep, ev, re, r, rp, chk)
  	if chk == 0 then
  		return Duel.IsExistingMatchingCard(s.cfilter, tp, LOCATION_HAND, 0, 1, nil)
  	end
  	Duel.DiscardHand(tp, s.cfilter, 1, 1, REASON_COST + REASON_DISCARD)
  end
  function s.sptg(e, tp, eg, ep, ev, re, r, rp, chk)
  	if chk == 0 then
  		return Duel.GetLocationCount(tp, LOCATION_MZONE) > 0 and e:GetHandler():IsCanBeSpecialSummoned(e, 0, tp, false, false)
  	end
  	Duel.SetOperationInfo(0, CATEGORY_SPECIAL_SUMMON, e:GetHandler(), 1, 0, 0)
  end
  function s.spop(e, tp, eg, ep, ev, re, r, rp)
  	local c = e:GetHandler()
  	if c:IsRelateToEffect(e) and Duel.SpecialSummon(c, 0, tp, tp, false, false, POS_FACEUP) > 0 then
  		local e1 = Effect.CreateEffect(c)
  		e1:SetType(EFFECT_TYPE_FIELD + EFFECT_TYPE_CONTINUOUS)
  		e1:SetCode(EVENT_PHASE + PHASE_BATTLE_START)
  		e1:SetCountLimit(1)
  		e1:SetOperation(s.desop)
  		e1:SetReset(RESET_PHASE + PHASE_END)
  		Duel.RegisterEffect(e1, tp)
  	end
  end
  function s.desfilter(c)
  	return c:IsFacedown() or not c:IsAttribute(ATTRIBUTE_WATER)
  end
  function s.desop(e, tp, eg, ep, ev, re, r, rp)
  	local g = Duel.GetMatchingGroup(s.desfilter, tp, LOCATION_MZONE, 0, nil)
  	if g:GetCount() > 0 then
  		Duel.Hint(HINT_CARD, 0, id)
  		Duel.Destroy(g, REASON_EFFECT)
  	end
  end
  
  
source_text: Fishborg
  If this card is in your Graveyard and you control no monsters during either of your Main Phases: You can discard 1 WATER monster; Special Summon this card from your Graveyard, but destroy all monsters you control at the beginning of this turn's Battle Phase, except for WATER monsters. You can only use the effect of "Fishborg Archer" once per turn.
target_text: -- Fishborg
  local s, id, o = GetID()
  function s.initial_effect(c)
  	--spsummon
  	local e1 = Effect.CreateEffect(c)
  	e1:SetDescription(aux.Stringid(id, 0))
  	e1:SetCategory(CATEGORY_SPECIAL_SUMMON)
  	e1:SetType(EFFECT_TYPE_IGNITION)
  	e1:SetRange(LOCATION_GRAVE)
  	e1:SetCountLimit(1, id)
  	e1:SetCondition(s.spcon)
  	e1:SetCost(s.spcost)
  	e1:SetTarget(s.sptg)
  	e1:SetOperation(s.spop)
  	c:RegisterEffect(e1)
  end
  function s.spcon(e, tp, eg, ep, ev, re, r, rp)
  	return Duel.GetFieldGroupCount(tp, LOCATION_MZONE, 0) == 0
  end
  function s.cfilter(c)
  	return c:IsAttribute(ATTRIBUTE_WATER) and c:IsDiscardable()
  end
  function s.spcost(e, tp, eg, ep, ev, re, r, rp, chk)
  	if chk == 0 then
  		return Duel.IsExistingMatchingCard(s.cfilter, tp, LOCATION_HAND, 0, 1, nil)
  	end
  	Duel.DiscardHand(tp, s.cfilter, 1, 1, REASON_COST + REASON_DISCARD)
  end
  function s.sptg(e, tp, eg, ep, ev, re, r, rp, chk)
  	if chk == 0 then
  		return Duel.GetLocationCount(tp, LOCATION_MZONE) > 0 and e:GetHandler():IsCanBeSpecialSummoned(e, 0, tp, false, false)
  	end
  	Duel.SetOperationInfo(0, CATEGORY_SPECIAL_SUMMON, e:GetHandler(), 1, 0, 0)
  end
  function s.spop(e, tp, eg, ep, ev, re, r, rp)
  	local c = e:GetHandler()
  	if c:IsRelateToEffect(e) and Duel.SpecialSummon(c, 0, tp, tp, false, false, POS_FACEUP) > 0 then
  		local e1 = Effect.CreateEffect(c)
  		e1:SetType(EFFECT_TYPE_FIELD + EFFECT_TYPE_CONTINUOUS)
  		e1:SetCode(EVENT_PHASE + PHASE_BATTLE_START)
  		e1:SetCountLimit(1)
  		e1:SetOperation(s.desop)
  		e1:SetReset(RESET_PHASE + PHASE_END)
  		Duel.RegisterEffect(e1, tp)
  	end
  end
  function s.desfilter(c)
  	return c:IsFacedown() or not c:IsAttribute(ATTRIBUTE_WATER)
  end
  function s.desop(e, tp, eg, ep, ev, re, r, rp)
  	local g = Duel.GetMatchingGroup(s.desfilter, tp, LOCATION_MZONE, 0, nil)
  	if g:GetCount() > 0 then
  		Duel.Hint(HINT_CARD, 0, id)
  		Duel.Destroy(g, REASON_EFFECT)
  	end
  end
  
  