--皇たる水精鱗－ネプトアビス
local s,id,o=GetID()
function s.initial_effect(c)
	--link summon
	aux.AddLinkProcedure(c,nil,2,3,s.lcheck)
	c:EnableReviveLimit()
	--cannot be effect target
	local e1=Effect.CreateEffect(c)
	e1:SetType(EFFECT_TYPE_FIELD)
	e1:SetCode(EFFECT_CANNOT_BE_EFFECT_TARGET)
	e1:SetProperty(EFFECT_FLAG_IGNORE_IMMUNE)
	e1:SetRange(LOCATION_MZONE)
	e1:SetTargetRange(LOCATION_MZONE,LOCATION_MZONE)
	e1:SetTarget(s.etlimit)
	e1:SetValue(aux.tgoval)
	c:RegisterEffect(e1)
	--to hand or equip
	local e2=Effect.CreateEffect(c)
	e2:SetDescription(aux.Stringid(id,1))
	e2:SetCategory(CATEGORY_TOHAND+CATEGORY_SEARCH+CATEGORY_EQUIP+CATEGORY_GRAVE_ACTION)
	e2:SetType(EFFECT_TYPE_FIELD+EFFECT_TYPE_TRIGGER_O)
	e2:SetCode(EVENT_TO_GRAVE)
	e2:SetProperty(EFFECT_FLAG_DELAY)
	e2:SetRange(LOCATION_MZONE)
	e2:SetCountLimit(1,id)
	e2:SetCondition(s.thcon)
	e2:SetTarget(s.thtg)
	e2:SetOperation(s.thop)
	c:RegisterEffect(e2)
	--search
	local e3=Effect.CreateEffect(c)
	e3:SetDescription(aux.Stringid(id,2))
	e3:SetCategory(CATEGORY_TOHAND+CATEGORY_SEARCH)
	e3:SetType(EFFECT_TYPE_SINGLE+EFFECT_TYPE_TRIGGER_O)
	e3:SetProperty(EFFECT_FLAG_DELAY)
	e3:SetCode(EVENT_DESTROYED)
	e3:SetCountLimit(1,id+o)
	e3:SetCondition(s.thcon2)
	e3:SetTarget(s.thtg2)
	e3:SetOperation(s.thop2)
	c:RegisterEffect(e3)
end
function s.lcheck(g,lc)
	return g:IsExists(Card.IsLinkRace,1,nil,RACE_AQUA+RACE_FISH+RACE_SEASERPENT)
end
function s.etlimit(e,c)
	return e:GetHandler():GetLinkedGroup():IsContains(c) and c:IsAttribute(ATTRIBUTE_WATER)
		and c:IsFaceup()
end
function s.cfilter(c,tp,re)
	return c:IsReason(REASON_COST) and re:IsActivated() and c:GetOriginalAttribute()==ATTRIBUTE_WATER
end
function s.thcon(e,tp,eg,ep,ev,re,r,rp)
	local c=e:GetHandler()
	return eg:IsExists(s.cfilter,1,c,tp,re)
end
function s.eqfilter(c,tp,ec)
	return c:IsType(TYPE_EQUIP) and c:IsSetCard(0x75)
		and (c:IsAbleToHand() or c:CheckUniqueOnField(tp) and not c:IsForbidden()
		and c:CheckEquipTarget(ec)
		and Duel.GetLocationCount(tp,LOCATION_SZONE)>0)
end
function s.thtg(e,tp,eg,ep,ev,re,r,rp,chk)
	if chk==0 then
		return Duel.IsExistingMatchingCard(s.eqfilter,tp,LOCATION_DECK+LOCATION_GRAVE,0,1,nil,tp,e:GetHandler())
	end
end
function s.thop(e,tp,eg,ep,ev,re,r,rp)
	local c=e:GetHandler()
	Duel.Hint(HINT_SELECTMSG,tp,HINTMSG_OPERATECARD)
	local g=Duel.SelectMatchingCard(tp,aux.NecroValleyFilter(s.eqfilter),tp,LOCATION_DECK+LOCATION_GRAVE,0,1,1,nil,tp,c)
	local tc=g:GetFirst()
	if g:GetCount()>0 then
		if tc:CheckEquipTarget(c) and tc:CheckUniqueOnField(tp) and not tc:IsForbidden()
			and (not tc:IsAbleToHand() or Duel.SelectOption(tp,1190,aux.Stringid(id,3))==1) then
			Duel.Equip(tp,tc,c)
		else
			Duel.SendtoHand(g,nil,REASON_EFFECT)
			Duel.ConfirmCards(1-tp,g)
		end
	end
end
function s.thcon2(e,tp,eg,ep,ev,re,r,rp)
	local c=e:GetHandler()
	return rp==1-tp and c:IsPreviousControler(tp)
end
function s.thfilter2(c)
	return c:IsAbleToHand() and c:IsType(TYPE_MONSTER)
		and c:IsSetCard(0x74,0x77)
end
function s.thtg2(e,tp,eg,ep,ev,re,r,rp,chk)
	if chk==0 then return Duel.IsExistingMatchingCard(s.thfilter2,tp,LOCATION_DECK,0,1,nil) end
	Duel.SetOperationInfo(0,CATEGORY_TOHAND,nil,1,tp,LOCATION_DECK)
end
function s.thop2(e,tp,eg,ep,ev,re,r,rp)
	Duel.Hint(HINT_SELECTMSG,tp,HINTMSG_ATOHAND)
	local g=Duel.SelectMatchingCard(tp,s.thfilter2,tp,LOCATION_DECK,0,1,1,nil)
	if #g>0 then
		Duel.SendtoHand(g,nil,REASON_EFFECT)
		Duel.ConfirmCards(1-tp,g)
	end
end