--闇黒の魔王ディアボロス
function c50383626.initial_effect(c)
	--cannot release
	local e1=Effect.CreateEffect(c)
	e1:SetType(EFFECT_TYPE_FIELD)
	e1:SetCode(EFFECT_CANNOT_RELEASE)
	e1:SetProperty(EFFECT_FLAG_PLAYER_TARGET)
	e1:SetRange(LOCATION_MZONE)
	e1:SetTargetRange(0,1)
	e1:SetTarget(c50383626.rellimit)
	c:RegisterEffect(e1)
	--cannot be target
	local e3=Effect.CreateEffect(c)
	e3:SetType(EFFECT_TYPE_SINGLE)
	e3:SetCode(EFFECT_CANNOT_BE_EFFECT_TARGET)
	e3:SetProperty(EFFECT_FLAG_SINGLE_RANGE)
	e3:SetRange(LOCATION_MZONE)
	e3:SetValue(aux.tgoval)
	c:RegisterEffect(e3)
	--spsummon
	local e4=Effect.CreateEffect(c)
	e4:SetDescription(aux.Stringid(50383626,0))
	e4:SetCategory(CATEGORY_SPECIAL_SUMMON)
	e4:SetType(EFFECT_TYPE_FIELD+EFFECT_TYPE_TRIGGER_O)
	e4:SetCode(EVENT_RELEASE)
	e4:SetProperty(EFFECT_FLAG_DELAY)
	e4:SetRange(LOCATION_HAND+LOCATION_GRAVE)
	e4:SetCountLimit(1,50383626)
	e4:SetCondition(c50383626.spcon)
	e4:SetTarget(c50383626.sptg)
	e4:SetOperation(c50383626.spop)
	c:RegisterEffect(e4)
	--to deck
	local e5=Effect.CreateEffect(c)
	e5:SetDescription(aux.Stringid(50383626,1))
	e5:SetType(EFFECT_TYPE_IGNITION)
	e5:SetRange(LOCATION_MZONE)
	e5:SetCountLimit(1,50383627)
	e5:SetCost(c50383626.tdcost)
	e5:SetTarget(c50383626.tdtg)
	e5:SetOperation(c50383626.tdop)
	c:RegisterEffect(e5)
end
function c50383626.rellimit(e,c,tp,sumtp)
	return c==e:GetHandler()
end
function c50383626.spcfilter(c,tp)
	return c:IsPreviousLocation(LOCATION_ONFIELD) and c:GetPreviousControler()==tp and bit.band(c:GetPreviousAttributeOnField(),ATTRIBUTE_DARK)~=0
end
function c50383626.spcon(e,tp,eg,ep,ev,re,r,rp)
	return not eg:IsContains(e:GetHandler()) and eg:IsExists(c50383626.spcfilter,1,nil,tp)
end
function c50383626.sptg(e,tp,eg,ep,ev,re,r,rp,chk)
	local c=e:GetHandler()
	if chk==0 then return Duel.GetLocationCount(tp,LOCATION_MZONE)>0
		and c:IsCanBeSpecialSummoned(e,0,tp,false,false) end
	Duel.SetOperationInfo(0,CATEGORY_SPECIAL_SUMMON,c,1,0,0)
end
function c50383626.spop(e,tp,eg,ep,ev,re,r,rp)
	local c=e:GetHandler()
	if c:IsRelateToEffect(e) then
		Duel.SpecialSummon(c,0,tp,tp,false,false,POS_FACEUP)
	end
end
function c50383626.tdcost(e,tp,eg,ep,ev,re,r,rp,chk)
	if chk==0 then return Duel.CheckReleaseGroup(tp,Card.IsAttribute,1,nil,ATTRIBUTE_DARK) end
	local g=Duel.SelectReleaseGroup(tp,Card.IsAttribute,1,1,nil,ATTRIBUTE_DARK)
	Duel.Release(g,REASON_COST)
end
function c50383626.tdtg(e,tp,eg,ep,ev,re,r,rp,chk)
	if chk==0 then return Duel.IsExistingMatchingCard(Card.IsAbleToDeck,tp,0,LOCATION_HAND,1,nil) end
end
function c50383626.tdop(e,tp,eg,ep,ev,re,r,rp)
	Duel.Hint(HINT_SELECTMSG,tp,HINTMSG_TODECK)
	local g=Duel.SelectMatchingCard(1-tp,Card.IsAbleToDeck,1-tp,LOCATION_HAND,0,1,1,nil)
	if g:GetCount()>0 then
		if Duel.SelectOption(1-tp,aux.Stringid(50383626,2),aux.Stringid(50383626,3))==0 then
			Duel.SendtoDeck(g,nil,0,REASON_EFFECT)
		else
			Duel.SendtoDeck(g,nil,1,REASON_EFFECT)
		end
	end
end
