name: Piwraithe
card_text: If a face-up WATER monster(s) you control, except "Piwraithe the Ghost Pirate", is destroyed by battle or card effect, while this card is in your GY: You can Special Summon this card (but banish it when it leaves the field), and if you do, it gains 100 ATK for each WATER monster in your GY, until the end of the next turn. You can only use this effect of "Piwraithe the Ghost Pirate" once per turn.
lua: local s, id, o = GetID()
  function s.initial_effect(c)
  	--special summon
  	local e1 = Effect.CreateEffect(c)
  	e1:SetDescription(aux.Stringid(id, 0))
  	e1:SetCategory(CATEGORY_SPECIAL_SUMMON)
  	e1:SetType(EFFECT_TYPE_FIELD + EFFECT_TYPE_TRIGGER_O)
  	e1:SetProperty(EFFECT_FLAG_DAMAGE_STEP + EFFECT_FLAG_DELAY)
  	e1:SetCode(EVENT_DESTROYED)
  	e1:SetRange(LOCATION_GRAVE)
  	e1:SetCountLimit(1, id)
  	e1:SetCondition(s.spcon)
  	e1:SetTarget(s.sptg)
  	e1:SetOperation(s.spop)
  	c:RegisterEffect(e1)
  end
  function s.spfilter(c, tp)
  	return c:IsPreviousControler(tp)
  		and c:IsPreviousLocation(LOCATION_MZONE)
  		and c:IsPreviousPosition(POS_FACEUP)
  		and c:IsReason(REASON_BATTLE + REASON_EFFECT)
  		and not c:IsCode(id)
  		and (c:GetPreviousAttributeOnField() & ATTRIBUTE_WATER) > 0
  end
  function s.spcon(e, tp, eg, ep, ev, re, r, rp)
  	return eg:IsExists(s.spfilter, 1, nil, tp) and not eg:IsContains(e:GetHandler())
  end
  function s.sptg(e, tp, eg, ep, ev, re, r, rp, chk)
  	local c = e:GetHandler()
  	if chk == 0 then
  		return Duel.GetLocationCount(tp, LOCATION_MZONE) > 0 and c:IsCanBeSpecialSummoned(e, 0, tp, false, false)
  	end
  	Duel.SetOperationInfo(0, CATEGORY_SPECIAL_SUMMON, c, 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.SpecialSummonStep(c, 0, tp, tp, false, false, POS_FACEUP) then
  		local ct = Duel.GetMatchingGroupCount(Card.IsAttribute, tp, LOCATION_GRAVE, 0, nil, ATTRIBUTE_WATER)
  		local e1 = Effect.CreateEffect(e:GetHandler())
  		e1:SetType(EFFECT_TYPE_SINGLE)
  		e1:SetCode(EFFECT_UPDATE_ATTACK)
  		e1:SetValue(ct * 100)
  		e1:SetReset(RESET_EVENT + RESETS_STANDARD + RESET_DISABLE + RESET_PHASE + PHASE_END, 2)
  		c:RegisterEffect(e1)
  		local e2 = Effect.CreateEffect(c)
  		e2:SetType(EFFECT_TYPE_SINGLE)
  		e2:SetCode(EFFECT_LEAVE_FIELD_REDIRECT)
  		e2:SetProperty(EFFECT_FLAG_CANNOT_DISABLE)
  		e2:SetReset(RESET_EVENT + RESETS_REDIRECT)
  		e2:SetValue(LOCATION_REMOVED)
  		c:RegisterEffect(e2, true)
  	end
  	Duel.SpecialSummonComplete()
  end
  
  
source_text: Piwraithe
  If a face-up WATER monster(s) you control, except "Piwraithe the Ghost Pirate", is destroyed by battle or card effect, while this card is in your GY: You can Special Summon this card (but banish it when it leaves the field), and if you do, it gains 100 ATK for each WATER monster in your GY, until the end of the next turn. You can only use this effect of "Piwraithe the Ghost Pirate" once per turn.
target_text: -- Piwraithe
  local s, id, o = GetID()
  function s.initial_effect(c)
  	--special summon
  	local e1 = Effect.CreateEffect(c)
  	e1:SetDescription(aux.Stringid(id, 0))
  	e1:SetCategory(CATEGORY_SPECIAL_SUMMON)
  	e1:SetType(EFFECT_TYPE_FIELD + EFFECT_TYPE_TRIGGER_O)
  	e1:SetProperty(EFFECT_FLAG_DAMAGE_STEP + EFFECT_FLAG_DELAY)
  	e1:SetCode(EVENT_DESTROYED)
  	e1:SetRange(LOCATION_GRAVE)
  	e1:SetCountLimit(1, id)
  	e1:SetCondition(s.spcon)
  	e1:SetTarget(s.sptg)
  	e1:SetOperation(s.spop)
  	c:RegisterEffect(e1)
  end
  function s.spfilter(c, tp)
  	return c:IsPreviousControler(tp)
  		and c:IsPreviousLocation(LOCATION_MZONE)
  		and c:IsPreviousPosition(POS_FACEUP)
  		and c:IsReason(REASON_BATTLE + REASON_EFFECT)
  		and not c:IsCode(id)
  		and (c:GetPreviousAttributeOnField() & ATTRIBUTE_WATER) > 0
  end
  function s.spcon(e, tp, eg, ep, ev, re, r, rp)
  	return eg:IsExists(s.spfilter, 1, nil, tp) and not eg:IsContains(e:GetHandler())
  end
  function s.sptg(e, tp, eg, ep, ev, re, r, rp, chk)
  	local c = e:GetHandler()
  	if chk == 0 then
  		return Duel.GetLocationCount(tp, LOCATION_MZONE) > 0 and c:IsCanBeSpecialSummoned(e, 0, tp, false, false)
  	end
  	Duel.SetOperationInfo(0, CATEGORY_SPECIAL_SUMMON, c, 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.SpecialSummonStep(c, 0, tp, tp, false, false, POS_FACEUP) then
  		local ct = Duel.GetMatchingGroupCount(Card.IsAttribute, tp, LOCATION_GRAVE, 0, nil, ATTRIBUTE_WATER)
  		local e1 = Effect.CreateEffect(e:GetHandler())
  		e1:SetType(EFFECT_TYPE_SINGLE)
  		e1:SetCode(EFFECT_UPDATE_ATTACK)
  		e1:SetValue(ct * 100)
  		e1:SetReset(RESET_EVENT + RESETS_STANDARD + RESET_DISABLE + RESET_PHASE + PHASE_END, 2)
  		c:RegisterEffect(e1)
  		local e2 = Effect.CreateEffect(c)
  		e2:SetType(EFFECT_TYPE_SINGLE)
  		e2:SetCode(EFFECT_LEAVE_FIELD_REDIRECT)
  		e2:SetProperty(EFFECT_FLAG_CANNOT_DISABLE)
  		e2:SetReset(RESET_EVENT + RESETS_REDIRECT)
  		e2:SetValue(LOCATION_REMOVED)
  		c:RegisterEffect(e2, true)
  	end
  	Duel.SpecialSummonComplete()
  end
  
  