--
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:SetCode(EVENT_SPSUMMON_SUCCESS)
	e1:SetProperty(EFFECT_FLAG_DELAY)
	e1:SetRange(LOCATION_GRAVE)
	e1:SetCountLimit(1,id)
	e1:SetCondition(s.spcon)
	e1:SetTarget(s.sptg)
	e1:SetOperation(s.spop)
	c:RegisterEffect(e1)
	--disable
	local e2=Effect.CreateEffect(c)
	e2:SetDescription(aux.Stringid(id,1))
	e2:SetCategory(CATEGORY_DISABLE+CATEGORY_DESTROY)
	e2:SetType(EFFECT_TYPE_QUICK_O)
	e2:SetCode(EVENT_CHAINING)
	e2:SetRange(LOCATION_MZONE)
	e2:SetCountLimit(1,id+o)
	e2:SetCondition(s.discon)
	e2:SetCost(s.discost)
	e2:SetTarget(s.distg)
	e2:SetOperation(s.disop)
	c:RegisterEffect(e2)
	--to grave
	local e3=Effect.CreateEffect(c)
	e3:SetType(EFFECT_TYPE_SINGLE+EFFECT_TYPE_CONTINUOUS)
	e3:SetProperty(EFFECT_FLAG_CANNOT_DISABLE)
	e3:SetCode(EVENT_REMOVE)
	e3:SetOperation(s.regop)
	c:RegisterEffect(e3)
	local e4=Effect.CreateEffect(c)
	e4:SetDescription(aux.Stringid(id,2))
	e4:SetType(EFFECT_TYPE_FIELD+EFFECT_TYPE_TRIGGER_O)
	e4:SetCode(EVENT_PHASE+PHASE_END)
	e4:SetRange(LOCATION_REMOVED)
	e4:SetCountLimit(1,id+o*2)
	e4:SetCondition(s.tgcon)
	e4:SetTarget(s.tgtg)
	e4:SetOperation(s.tgop)
	c:RegisterEffect(e4)
end
function s.cfilter(c,tp)
	local typ,se,sp=c:GetSpecialSummonInfo(SUMMON_INFO_TYPE,SUMMON_INFO_REASON_EFFECT,SUMMON_INFO_REASON_PLAYER)
	return se and typ&TYPE_MONSTER~=0 and se:IsActivated() and sp==1-tp
		and c:IsSummonLocation(LOCATION_DECK+LOCATION_EXTRA)
end
function s.spcon(e,tp,eg,ep,ev,re,r,rp)
	return eg:IsExists(s.cfilter,1,nil,tp)
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:IsRelateToChain() and aux.NecroValleyFilter()(c) then
		Duel.SpecialSummon(c,0,tp,tp,false,false,POS_FACEUP)
	end
end
function s.discon(e,tp,eg,ep,ev,re,r,rp)
	return re:IsHasCategory(CATEGORY_SPECIAL_SUMMON) and Duel.IsChainDisablable(ev)
		and re:IsActiveType(TYPE_MONSTER)
end
function s.discost(e,tp,eg,ep,ev,re,r,rp,chk)
	if chk==0 then return Duel.IsExistingMatchingCard(Card.IsAbleToRemoveAsCost,tp,LOCATION_HAND+LOCATION_ONFIELD,0,1,nil) end
	Duel.Hint(HINT_SELECTMSG,tp,HINTMSG_REMOVE)
	local g=Duel.SelectMatchingCard(tp,Card.IsAbleToRemoveAsCost,tp,LOCATION_HAND+LOCATION_ONFIELD,0,1,1,nil)
	Duel.Remove(g,POS_FACEUP,REASON_COST)
end
function s.distg(e,tp,eg,ep,ev,re,r,rp,chk)
	if chk==0 then return true end
	Duel.SetOperationInfo(0,CATEGORY_DISABLE,eg,1,0,0)
	if re:GetHandler():IsDestructable() and re:GetHandler():IsRelateToEffect(re) then
		Duel.SetOperationInfo(0,CATEGORY_DESTROY,eg,1,0,0)
	end
end
function s.disop(e,tp,eg,ep,ev,re,r,rp)
	if Duel.NegateEffect(ev) and re:GetHandler():IsRelateToEffect(re) then
		Duel.Destroy(eg,REASON_EFFECT)
	end
end
function s.regop(e,tp,eg,ep,ev,re,r,rp)
	local c=e:GetHandler()
	c:RegisterFlagEffect(id,RESET_EVENT+RESETS_STANDARD+RESET_PHASE+PHASE_END,0,1)
end
function s.tgcon(e,tp,eg,ep,ev,re,r,rp)
	return e:GetHandler():GetFlagEffect(id)>0
end
function s.tgfilter(c)
	return c:IsFaceup() and c:IsType(TYPE_MONSTER)
end
function s.tgtg(e,tp,eg,ep,ev,re,r,rp,chk)
	if chk==0 then return Duel.IsExistingMatchingCard(s.tgfilter,tp,LOCATION_REMOVED,0,1,e:GetHandler()) end
end
function s.tgop(e,tp,eg,ep,ev,re,r,rp)
	Duel.Hint(HINT_SELECTMSG,tp,HINTMSG_TOGRAVE)
	local g=Duel.SelectMatchingCard(tp,s.tgfilter,tp,LOCATION_REMOVED,0,1,1,aux.ExceptThisCard(e))
	if g:GetCount()>0 then
		Duel.SendtoGrave(g,REASON_EFFECT+REASON_RETURN)
	end
end