--ジェムナイト・オブシディア
function c19163116.initial_effect(c)
	--spsummon
	local e1=Effect.CreateEffect(c)
	e1:SetDescription(aux.Stringid(19163116,0))
	e1:SetCategory(CATEGORY_SPECIAL_SUMMON)
	e1:SetProperty(EFFECT_FLAG_CARD_TARGET+EFFECT_FLAG_DELAY+EFFECT_FLAG_DAMAGE_STEP)
	e1:SetType(EFFECT_TYPE_SINGLE+EFFECT_TYPE_TRIGGER_O)
	e1:SetCode(EVENT_TO_GRAVE)
	e1:SetCondition(c19163116.spcon)
	e1:SetTarget(c19163116.sptg)
	e1:SetOperation(c19163116.spop)
	c:RegisterEffect(e1)
end
function c19163116.spcon(e,tp,eg,ep,ev,re,r,rp)
	return e:GetHandler():GetPreviousLocation()==LOCATION_HAND
end
function c19163116.filter(c,e,tp)
	return c:IsLevelBelow(4) and c:IsType(TYPE_NORMAL) and c:IsCanBeSpecialSummoned(e,0,tp,false,false)
end
function c19163116.sptg(e,tp,eg,ep,ev,re,r,rp,chk,chkc)
	if chkc then return chkc:IsControler(tp) and chkc:IsLocation(LOCATION_GRAVE) and c19163116.filter(chkc,e,tp) end
	if chk==0 then return Duel.GetLocationCount(tp,LOCATION_MZONE)>0
		and Duel.IsExistingTarget(c19163116.filter,tp,LOCATION_GRAVE,0,1,nil,e,tp) end
	Duel.Hint(HINT_SELECTMSG,tp,HINTMSG_SPSUMMON)
	local g=Duel.SelectTarget(tp,c19163116.filter,tp,LOCATION_GRAVE,0,1,1,nil,e,tp)
	Duel.SetOperationInfo(0,CATEGORY_SPECIAL_SUMMON,g,g:GetCount(),0,0)
end
function c19163116.spop(e,tp,eg,ep,ev,re,r,rp)
	if Duel.GetLocationCount(tp,LOCATION_MZONE)<=0 then return end
	local tc=Duel.GetFirstTarget()
	if tc and tc:IsRelateToEffect(e) then
		Duel.SpecialSummon(tc,0,tp,tp,false,false,POS_FACEUP)
	end
end
