--聖騎士王アルトリウス
function c21223277.initial_effect(c)
	--xyz summon
	aux.AddXyzProcedure(c,aux.FilterBoolFunction(Card.IsSetCard,0x107a),4,2)
	c:EnableReviveLimit()
	--equip
	local e1=Effect.CreateEffect(c)
	e1:SetDescription(aux.Stringid(21223277,0))
	e1:SetCategory(CATEGORY_EQUIP)
	e1:SetType(EFFECT_TYPE_SINGLE+EFFECT_TYPE_TRIGGER_O)
	e1:SetProperty(EFFECT_FLAG_CARD_TARGET)
	e1:SetCode(EVENT_SPSUMMON_SUCCESS)
	e1:SetCondition(c21223277.condition)
	e1:SetTarget(c21223277.target)
	e1:SetOperation(c21223277.operation)
	c:RegisterEffect(e1)
	--destroy
	local e2=Effect.CreateEffect(c)
	e2:SetDescription(aux.Stringid(21223277,1))
	e2:SetCategory(CATEGORY_DESTROY)
	e2:SetType(EFFECT_TYPE_IGNITION)
	e2:SetRange(LOCATION_MZONE)
	e2:SetCountLimit(1)
	e2:SetCost(c21223277.descost)
	e2:SetTarget(c21223277.destg)
	e2:SetOperation(c21223277.desop)
	c:RegisterEffect(e2)
end
function c21223277.condition(e,tp,eg,ep,ev,re,r,rp)
	return e:GetHandler():GetSummonType()==SUMMON_TYPE_XYZ
end
function c21223277.filter(c,e,tp,ec)
	return c:IsSetCard(0x207a) and c:IsCanBeEffectTarget(e) and c:CheckUniqueOnField(tp) and c:CheckEquipTarget(ec)
end
function c21223277.target(e,tp,eg,ep,ev,re,r,rp,chk,chkc)
	if chkc then return chkc:IsControler(tp) and chkc:IsLocation(LOCATION_GRAVE) and c21223277.filter(chkc,e,tp,e:GetHandler()) end
	if chk==0 then
		if Duel.GetLocationCount(tp,LOCATION_SZONE)<=0 then return false end
		return Duel.IsExistingMatchingCard(c21223277.filter,tp,LOCATION_GRAVE,0,1,nil,e,tp,e:GetHandler())
	end
	local ft=Duel.GetLocationCount(tp,LOCATION_SZONE)
	local g=Duel.GetMatchingGroup(c21223277.filter,tp,LOCATION_GRAVE,0,nil,e,tp,e:GetHandler())
	Duel.Hint(HINT_SELECTMSG,tp,HINTMSG_EQUIP)
	local g1=g:Select(tp,1,1,nil)
	g:Remove(Card.IsCode,nil,g1:GetFirst():GetCode())
	if ft>1 and g:GetCount()>0 and Duel.SelectYesNo(tp,aux.Stringid(21223277,2)) then
		Duel.Hint(HINT_SELECTMSG,tp,HINTMSG_EQUIP)
		local g2=g:Select(tp,1,1,nil)
		g:Remove(Card.IsCode,nil,g2:GetFirst():GetCode())
		g1:Merge(g2)
		if ft>2 and g:GetCount()>0 and Duel.SelectYesNo(tp,aux.Stringid(21223277,2)) then
			g2=g:Select(tp,1,1,nil)
			g1:Merge(g2)
		end
	end
	Duel.SetTargetCard(g1)
	Duel.SetOperationInfo(0,CATEGORY_LEAVE_GRAVE,g1,g1:GetCount(),0,0)
end
function c21223277.operation(e,tp,eg,ep,ev,re,r,rp)
	local ft=Duel.GetLocationCount(tp,LOCATION_SZONE)
	local g=Duel.GetChainInfo(0,CHAININFO_TARGET_CARDS):Filter(Card.IsRelateToEffect,nil,e)
	if ft<g:GetCount() then return end
	local c=e:GetHandler()
	if c:IsFacedown() or not c:IsRelateToEffect(e) then return end
	local tc=g:GetFirst()
	while tc do
		Duel.Equip(tp,tc,c,true,true)
		tc=g:GetNext()
	end
	Duel.EquipComplete()
end
function c21223277.descost(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 c21223277.cfilter(c)
	return c:IsFaceup() and c:IsSetCard(0x207a)
end
function c21223277.desfilter(c)
	return c:IsType(TYPE_SPELL+TYPE_TRAP)
end
function c21223277.destg(e,tp,eg,ep,ev,re,r,rp,chk)
	if chk==0 then return Duel.IsExistingMatchingCard(c21223277.cfilter,tp,LOCATION_SZONE,0,1,nil)
		and Duel.IsExistingMatchingCard(c21223277.desfilter,tp,LOCATION_ONFIELD,LOCATION_ONFIELD,1,nil) end
	local g=Duel.GetMatchingGroup(c21223277.desfilter,tp,LOCATION_ONFIELD,LOCATION_ONFIELD,nil)
	Duel.SetOperationInfo(0,CATEGORY_DESTROY,g,1,0,0)
end
function c21223277.desop(e,tp,eg,ep,ev,re,r,rp)
	local ct=Duel.GetMatchingGroupCount(c21223277.cfilter,tp,LOCATION_SZONE,0,nil)
	if ct==0 then return end
	Duel.Hint(HINT_SELECTMSG,tp,HINTMSG_DESTROY)
	local g=Duel.SelectMatchingCard(tp,c21223277.desfilter,tp,LOCATION_ONFIELD,LOCATION_ONFIELD,1,ct,nil)
	if g:GetCount()>0 then
		Duel.Destroy(g,REASON_EFFECT)
	end
end
