--Iissekai Sword
function c249001277.initial_effect(c)
	--Activate
	local e1=Effect.CreateEffect(c)
	e1:SetCategory(CATEGORY_EQUIP)
	e1:SetType(EFFECT_TYPE_ACTIVATE)
	e1:SetCode(EVENT_FREE_CHAIN)
	e1:SetProperty(EFFECT_FLAG_CARD_TARGET)
	e1:SetCost(c249001277.cost)
	e1:SetTarget(c249001277.target)
	e1:SetOperation(c249001277.operation)
	c:RegisterEffect(e1)
	--extra attack
	local e2=Effect.CreateEffect(c)
	e2:SetDescription(aux.Stringid(879958,0))
	e2:SetType(EFFECT_TYPE_QUICK_O)
	e2:SetRange(LOCATION_GRAVE)
	e2:SetProperty(EFFECT_FLAG_CARD_TARGET)
	e2:SetCode(EVENT_FREE_CHAIN)
	e2:SetCondition(aux.bpcon)
	e2:SetCost(c249001277.atkcost)
	e2:SetTarget(c249001277.atktg)
	e2:SetOperation(c249001277.atkop)
	c:RegisterEffect(e2)
end
function c249001277.cost(e,tp,eg,ep,ev,re,r,rp,chk)
	if chk==0 then return true end
	local c=e:GetHandler()
	local cid=Duel.GetChainInfo(0,CHAININFO_CHAIN_ID)
	local e1=Effect.CreateEffect(c)
	e1:SetType(EFFECT_TYPE_SINGLE)
	e1:SetCode(EFFECT_REMAIN_FIELD)
	e1:SetProperty(EFFECT_FLAG_OATH)
	e1:SetReset(RESET_CHAIN)
	c:RegisterEffect(e1)
	local e2=Effect.CreateEffect(c)
	e2:SetType(EFFECT_TYPE_FIELD+EFFECT_TYPE_CONTINUOUS)
	e2:SetCode(EVENT_CHAIN_DISABLED)
	e2:SetOperation(c249001277.tgop)
	e2:SetLabel(cid)
	e2:SetReset(RESET_CHAIN)
	Duel.RegisterEffect(e2,tp)
end
function c249001277.tgop(e,tp,eg,ep,ev,re,r,rp)
	local cid=Duel.GetChainInfo(ev,CHAININFO_CHAIN_ID)
	if cid~=e:GetLabel() then return end
	if e:GetOwner():IsRelateToChain(ev) then
		e:GetOwner():CancelToGrave(false)
	end
end
function c249001277.filter(c)
	return c:IsFaceup() and c:IsSetCard(0x238)
end
function c249001277.target(e,tp,eg,ep,ev,re,r,rp,chk,chkc)
	if chkc then return chkc:IsLocation(LOCATION_MZONE) and chkc:IsControler(tp) and c249001277.filter(chkc) end
	if chk==0 then return e:IsCostChecked()
		and Duel.IsExistingTarget(c249001277.filter,tp,LOCATION_MZONE,0,1,nil) end
	Duel.Hint(HINT_SELECTMSG,tp,HINTMSG_EQUIP)
	Duel.SelectTarget(tp,c249001277.filter,tp,LOCATION_MZONE,0,1,1,nil)
	Duel.SetOperationInfo(0,CATEGORY_EQUIP,e:GetHandler(),1,0,0)
end
function c249001277.eqlimit(e,c)
	return e:GetHandler():GetEquipTarget()==c
		or c:IsControler(e:GetHandlerPlayer()) and c:IsSetCard(0x238)
end
function c249001277.efilter(e,te)
	return te:GetOwnerPlayer()~=e:GetHandlerPlayer() and te:GetOwner()~=e:GetOwner()
		and te:IsActiveType(TYPE_SPELL+TYPE_TRAP)
end
function c249001277.operation(e,tp,eg,ep,ev,re,r,rp)
	local c=e:GetHandler()
	if not c:IsLocation(LOCATION_SZONE) then return end
	if not c:IsRelateToEffect(e) or c:IsStatus(STATUS_LEAVE_CONFIRMED) then return end
	local tc=Duel.GetFirstTarget()
	if tc:IsRelateToEffect(e) and tc:IsFaceup() then
		Duel.Equip(tp,c,tc)
		local e1=Effect.CreateEffect(c)
		e1:SetType(EFFECT_TYPE_EQUIP)
		e1:SetCode(EFFECT_INDESTRUCTABLE_BATTLE)
		e1:SetValue(1)
		e1:SetReset(RESET_EVENT+RESETS_STANDARD)
		c:RegisterEffect(e1)
		--immune
		local e2=Effect.CreateEffect(c)
		e2:SetType(EFFECT_TYPE_EQUIP)
		e2:SetCode(EFFECT_IMMUNE_EFFECT)
		e2:SetValue(c249001277.efilter)
		e2:SetReset(RESET_EVENT+RESETS_STANDARD)
		c:RegisterEffect(e2)
		local e3=Effect.CreateEffect(c)
		e3:SetType(EFFECT_TYPE_SINGLE)
		e3:SetCode(EFFECT_EQUIP_LIMIT)
		e3:SetProperty(EFFECT_FLAG_CANNOT_DISABLE)
		e3:SetValue(c249001277.eqlimit)
		e3:SetReset(RESET_EVENT+RESETS_STANDARD)
		c:RegisterEffect(e3)
	else
		c:CancelToGrave(false)
	end
end
function c249001277.cfilter(c)
	return c:IsSetCard(0x238) and c:IsAbleToRemoveAsCost()
end
function c249001277.atkcost(e,tp,eg,ep,ev,re,r,rp,chk)
	local c=e:GetHandler()
	if chk==0 then return c:IsAbleToRemoveAsCost()
		and Duel.IsExistingMatchingCard(c249001277.cfilter,tp,LOCATION_GRAVE,0,2,c) end
	Duel.Hint(HINT_SELECTMSG,tp,HINTMSG_REMOVE)
	local g=Duel.SelectMatchingCard(tp,c249001277.cfilter,tp,LOCATION_GRAVE,0,2,2,c)
	g:AddCard(c)
	Duel.Remove(g,POS_FACEUP,REASON_COST)
end
function c249001277.atkfilter(c)
	return c:IsFaceup() and c:IsType(0x238) and not c:IsHasEffect(EFFECT_EXTRA_ATTACK)
end
function c249001277.atktg(e,tp,eg,ep,ev,re,r,rp,chk,chkc)
	if chkc then return chkc:IsLocation(LOCATION_MZONE) and chkc:IsControler(tp) and c249001277.atkfilter(chkc) end
	if chk==0 then return Duel.IsExistingTarget(c249001277.atkfilter,tp,LOCATION_MZONE,0,1,nil) end
	Duel.Hint(HINT_SELECTMSG,tp,HINTMSG_FACEUP)
	Duel.SelectTarget(tp,c249001277.atkfilter,tp,LOCATION_MZONE,0,1,1,nil)
end
function c249001277.atkop(e,tp,eg,ep,ev,re,r,rp)
	local tc=Duel.GetFirstTarget()
	if tc:IsRelateToEffect(e) then
		local e1=Effect.CreateEffect(e:GetHandler())
		e1:SetType(EFFECT_TYPE_SINGLE)
		e1:SetCode(EFFECT_EXTRA_ATTACK)
		e1:SetValue(1)
		e1:SetCondition(c249001277.atkcon)
		e1:SetReset(RESET_EVENT+RESETS_STANDARD+RESET_PHASE+PHASE_END)
		tc:RegisterEffect(e1)
	end
end
function c249001277.atkcon(e)
	return Duel.GetFieldGroupCount(e:GetHandlerPlayer(),0,LOCATION_MZONE)>0
end