--No.74 マジカル・クラウン－ミッシング・ソード
function c16037007.initial_effect(c)
	--xyz summon
	aux.AddXyzProcedure(c,aux.XyzFilterFunction(c,7),2)
	c:EnableReviveLimit()
	--
	local e1=Effect.CreateEffect(c)
	e1:SetDescription(aux.Stringid(16037007,0))
	e1:SetCategory(CATEGORY_NEGATE+CATEGORY_DESTROY)
	e1:SetType(EFFECT_TYPE_QUICK_O)
	e1:SetRange(LOCATION_MZONE)
	e1:SetProperty(EFFECT_FLAG_DAMAGE_STEP+EFFECT_FLAG_DAMAGE_CAL)
	e1:SetCode(EVENT_CHAINING)
	e1:SetCondition(c16037007.discon)
	e1:SetCost(c16037007.discost)
	e1:SetTarget(c16037007.distg)
	e1:SetOperation(c16037007.disop)
	c:RegisterEffect(e1)
end
function c16037007.discon(e,tp,eg,ep,ev,re,r,rp)
	if e:GetHandler():IsStatus(STATUS_BATTLE_DESTROYED) then return false end
	if not re:IsHasProperty(EFFECT_FLAG_CARD_TARGET) then return false end
	local tg=Duel.GetChainInfo(ev,CHAININFO_TARGET_CARDS)
	return tg:IsContains(e:GetHandler()) and Duel.IsChainNegatable(ev)
end
function c16037007.discost(e,tp,eg,ep,ev,re,r,rp,chk)
	if chk==0 then return e:GetHandler():CheckRemoveOverlayCard(tp,1,REASON_COST) end
	e:GetHandler():RemoveOverlayCard(tp,1,1,REASON_COST)
end
function c16037007.distg(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 c16037007.disop(e,tp,eg,ep,ev,re,r,rp)
	if Duel.NegateActivation(ev) then
		if re:GetHandler():IsRelateToEffect(re) then
			Duel.Destroy(eg,REASON_EFFECT)
		end
		if Duel.IsExistingMatchingCard(Card.IsDestructable,tp,LOCATION_ONFIELD,LOCATION_ONFIELD,1,nil)
			and Duel.SelectYesNo(tp,aux.Stringid(16037007,1)) then
			Duel.Hint(HINT_SELECTMSG,tp,HINTMSG_DESTROY)
			local g=Duel.SelectMatchingCard(tp,Card.IsDestructable,tp,LOCATION_ONFIELD,LOCATION_ONFIELD,1,1,nil)
			Duel.HintSelection(g)
			Duel.Destroy(g,REASON_EFFECT)
		end
	end
end
