--天羽々斬之巳剣
local s,id,o=GetID()
function s.initial_effect(c)
	c:EnableReviveLimit()
	--summon and release
	local e1=Effect.CreateEffect(c)
	e1:SetDescription(aux.Stringid(id,0))
	e1:SetCategory(CATEGORY_SPECIAL_SUMMON)
	e1:SetType(EFFECT_TYPE_IGNITION)
	e1:SetRange(LOCATION_HAND)
	e1:SetCountLimit(1,id+EFFECT_COUNT_CODE_DUEL)
	e1:SetCost(s.spcost)
	e1:SetTarget(s.sptg)
	e1:SetOperation(s.spop)
	c:RegisterEffect(e1)
	--atk down
	local e2=Effect.CreateEffect(c)
	e2:SetType(EFFECT_TYPE_FIELD)
	e2:SetCode(EFFECT_UPDATE_ATTACK)
	e2:SetRange(LOCATION_MZONE)
	e2:SetTargetRange(0,LOCATION_MZONE)
	e2:SetValue(-800)
	c:RegisterEffect(e2)
	--to hand
	local e3=Effect.CreateEffect(c)
	e3:SetDescription(aux.Stringid(id,2))
	e3:SetCategory(CATEGORY_TOHAND+CATEGORY_SEARCH+CATEGORY_SPECIAL_SUMMON)
	e3:SetType(EFFECT_TYPE_SINGLE+EFFECT_TYPE_TRIGGER_O)
	e3:SetProperty(EFFECT_FLAG_DAMAGE_STEP+EFFECT_FLAG_DELAY)
	e3:SetCode(EVENT_RELEASE)
	e3:SetCountLimit(1,id+o)
	e3:SetTarget(s.thtg)
	e3:SetOperation(s.thop)
	c:RegisterEffect(e3)
end
function s.spcost(e,tp,eg,ep,ev,re,r,rp,chk)
	if chk==0 then return not e:GetHandler():IsPublic() end
end
function s.spfilter(c,e,tp)
	return c:IsSetCard(0x1c3) and c:IsCanBeSpecialSummoned(e,0,tp,false,false,POS_FACEUP)
end
function s.sptg(e,tp,eg,ep,ev,re,r,rp,chk)
	if chk==0 then return Duel.GetLocationCount(tp,LOCATION_MZONE)>0
		and Duel.IsExistingMatchingCard(s.spfilter,tp,LOCATION_DECK,0,1,nil,e,tp) and Duel.IsPlayerCanRelease(tp) end
	Duel.SetOperationInfo(0,CATEGORY_SPECIAL_SUMMON,nil,1,tp,LOCATION_DECK)
end
function s.spop(e,tp,eg,ep,ev,re,r,rp)
	if Duel.GetLocationCount(tp,LOCATION_MZONE)<=0 then return end
	Duel.Hint(HINT_SELECTMSG,tp,HINTMSG_SPSUMMON)
	local g=Duel.SelectMatchingCard(tp,s.spfilter,tp,LOCATION_DECK,0,1,1,nil,e,tp)
	if g:GetCount()>0 and Duel.SpecialSummon(g,0,tp,tp,false,false,POS_FACEUP)~=0 then
		local rg=Duel.GetReleaseGroup(tp,false,REASON_EFFECT)
		Duel.Hint(HINT_SELECTMSG,tp,HINTMSG_RELEASE)
		local sg=rg:Select(tp,1,1,nil)
		if sg and sg:GetCount()>0 then
			Duel.BreakEffect()
			Duel.Release(sg,REASON_EFFECT)
		end
	end
end
function s.thfilter(c)
	return not c:IsCode(id) and c:IsSetCard(0x1c3) and c:IsAbleToHand()
end
function s.thtg(e,tp,eg,ep,ev,re,r,rp,chk)
	if chk==0 then return Duel.IsExistingMatchingCard(s.thfilter,tp,LOCATION_DECK,0,1,nil) end
	if e:GetActivateLocation()==LOCATION_GRAVE then
		e:SetCategory(CATEGORY_TOHAND+CATEGORY_SEARCH+CATEGORY_SPECIAL_SUMMON+CATEGORY_GRAVE_SPSUMMON)
	else
		e:SetCategory(CATEGORY_TOHAND+CATEGORY_SEARCH+CATEGORY_SPECIAL_SUMMON)
	end
	Duel.SetOperationInfo(0,CATEGORY_TOHAND,nil,1,tp,LOCATION_DECK)
end
function s.thop(e,tp,eg,ep,ev,re,r,rp)
	local c=e:GetHandler()
	Duel.Hint(HINT_SELECTMSG,tp,HINTMSG_ATOHAND)
	local g=Duel.SelectMatchingCard(tp,s.thfilter,tp,LOCATION_DECK,0,1,1,nil)
	if g:GetCount()>0 then
		Duel.SendtoHand(g,nil,REASON_EFFECT)
		Duel.ConfirmCards(1-tp,g)
		if Duel.GetLocationCount(tp,LOCATION_MZONE)>0
			and c:IsRelateToChain()
			and c:IsCanBeSpecialSummoned(e,0,tp,false,false)
			and aux.NecroValleyFilter()(c)
			and Duel.SelectYesNo(tp,aux.Stringid(id,3)) then
			Duel.BreakEffect()
			Duel.SpecialSummon(c,0,tp,tp,false,false,POS_FACEUP)
		end
	end
end
