--Overlay-Knight Vizier
function c249001203.initial_effect(c)
	--tohand
	local e1=Effect.CreateEffect(c)
	e1:SetDescription(aux.Stringid(75878039,0))
	e1:SetCategory(CATEGORY_TOHAND+CATEGORY_SEARCH)
	e1:SetType(EFFECT_TYPE_SINGLE+EFFECT_TYPE_TRIGGER_O)
	e1:SetCode(EVENT_SUMMON_SUCCESS)
	e1:SetProperty(EFFECT_FLAG_DAMAGE_STEP+EFFECT_FLAG_DELAY)
	e1:SetCountLimit(1,2490012031)
	e1:SetTarget(c249001203.target)
	e1:SetOperation(c249001203.operation)
	c:RegisterEffect(e1)
	local e2=e1:Clone()
	e2:SetCode(EVENT_FLIP_SUMMON_SUCCESS)
	c:RegisterEffect(e2)
	local e3=e1:Clone()
	e3:SetCode(EVENT_SPSUMMON_SUCCESS)
	c:RegisterEffect(e3)
	--Overlay
	local e4=Effect.CreateEffect(c)
	e4:SetDescription(aux.Stringid(19310321,0))
	e4:SetProperty(EFFECT_FLAG_CARD_TARGET)
	e4:SetType(EFFECT_TYPE_IGNITION)
	e4:SetRange(LOCATION_GRAVE)
	e4:SetCountLimit(1,2490012032)
	e4:SetCost(aux.bfgcost)
	e4:SetTarget(c249001203.target2)
	e4:SetOperation(c249001203.operation2)
	c:RegisterEffect(e4)
end
function c249001203.filter(c)
	return c:IsSetCard(0x231) and c:IsAbleToHand() and not c:IsCode(249001203) and c:IsType(TYPE_MONSTER)
end
function c249001203.target(e,tp,eg,ep,ev,re,r,rp,chk)
	if chk==0 then return Duel.IsExistingMatchingCard(c249001203.filter,tp,LOCATION_DECK,0,1,nil) end
	Duel.SetOperationInfo(0,CATEGORY_TOHAND,nil,1,tp,LOCATION_DECK)
end
function c249001203.operation(e,tp,eg,ep,ev,re,r,rp)
	Duel.Hint(HINT_SELECTMSG,tp,HINTMSG_ATOHAND)
	local g=Duel.SelectMatchingCard(tp,c249001203.filter,tp,LOCATION_DECK,0,1,1,nil)
	if g:GetCount()>0 then
		Duel.SendtoHand(g,nil,REASON_EFFECT)
		Duel.ConfirmCards(1-tp,g)
	end
end
function c249001203.filter1(c)
	return c:IsFaceup() and c:IsType(TYPE_XYZ)
end
function c249001203.filter2(c)
	return c:IsSetCard(0x231) and c:IsCanOverlay()
end
function c249001203.target2(e,tp,eg,ep,ev,re,r,rp,chk,chkc)
	if chkc then return false end
	if chk==0 then return Duel.IsExistingTarget(c249001203.filter1,tp,LOCATION_MZONE,0,1,nil)
		and Duel.IsExistingTarget(c249001203.filter2,tp,LOCATION_GRAVE,0,1,e:GetHandler()) end
	Duel.Hint(HINT_SELECTMSG,tp,aux.Stringid(19310321,1))
	local g1=Duel.SelectTarget(tp,c249001203.filter1,tp,LOCATION_MZONE,0,1,1,nil)
	e:SetLabelObject(g1:GetFirst())
	Duel.Hint(HINT_SELECTMSG,tp,HINTMSG_XMATERIAL)
	local g2=Duel.SelectTarget(tp,c249001203.filter2,tp,LOCATION_GRAVE,0,1,2,nil)
	Duel.SetOperationInfo(0,CATEGORY_LEAVE_GRAVE,g2,2,0,0)
end
function c249001203.operation2(e,tp,eg,ep,ev,re,r,rp)
	local tc=e:GetLabelObject()
	if tc:IsFacedown() or not tc:IsRelateToEffect(e) or tc:IsImmuneToEffect(e) then return end
	local g=Duel.GetChainInfo(0,CHAININFO_TARGET_CARDS):Filter(Card.IsRelateToEffect,tc,e)
	if g:GetCount()>0 then
		Duel.Overlay(tc,g)
	end
end