--見えざる誘い手
local s,id,o=GetID()
function s.initial_effect(c)
	--negate
	local e1=Effect.CreateEffect(c)
	e1:SetCategory(CATEGORY_NEGATE+CATEGORY_DESTROY+CATEGORY_SPECIAL_SUMMON)
	e1:SetType(EFFECT_TYPE_ACTIVATE)
	e1:SetCode(EVENT_CHAINING)
	e1:SetCountLimit(1,id+EFFECT_COUNT_CODE_OATH)
	e1:SetCondition(s.condition)
	e1:SetTarget(s.target)
	e1:SetOperation(s.activate)
	c:RegisterEffect(e1)
end
function s.cfilter1(c)
	return c:IsFaceup() and c:IsSetCard(0x2d4)
end
function s.condition(e,tp,eg,ep,ev,re,r,rp)
	return rp~=tp and re:IsActiveType(TYPE_MONSTER) and Duel.IsChainNegatable(ev)
		and Duel.IsExistingMatchingCard(s.cfilter1,tp,LOCATION_MZONE,0,1,nil)
end
function s.target(e,tp,eg,ep,ev,re,r,rp,chk)
	if chk==0 then return true end
	Duel.SetOperationInfo(0,CATEGORY_NEGATE,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.activate(e,tp,eg,ep,ev,re,r,rp)
	local rc=re:GetHandler()
	if not Duel.NegateActivation(ev) then return end
	if rc:IsRelateToChain() and Duel.Destroy(eg,REASON_EFFECT)~=0
		and not (rc:IsLocation(LOCATION_HAND+LOCATION_DECK) or rc:IsLocation(LOCATION_REMOVED) and rc:IsFacedown())
		and aux.NecroValleyFilter()(rc) then
		if rc:IsType(TYPE_MONSTER) and (not rc:IsLocation(LOCATION_EXTRA) and Duel.GetLocationCount(tp,LOCATION_MZONE)>0
				or rc:IsLocation(LOCATION_EXTRA) and rc:IsFaceup() and Duel.GetLocationCountFromEx(tp,tp,nil,rc)>0)
			and rc:IsCanBeSpecialSummoned(e,0,tp,false,false,0)
			and Duel.SelectYesNo(tp,aux.Stringid(id,1)) then
			Duel.BreakEffect()
			Duel.SpecialSummon(rc,0,tp,tp,false,false,POS_FACEUP)
		end
	end
end