--Sin パラドクス·ドラゴン
function c8310162.initial_effect(c)
	--synchro summon
	aux.AddSynchroProcedure2(c,aux.FilterBoolFunction(Card.IsCode,74509280),aux.NonTuner(Card.IsSetCard,0x23))
	c:EnableReviveLimit()
	c:SetUniqueOnField(1,1,8310162)
	--special summon
	local e1=Effect.CreateEffect(c)
	e1:SetDescription(aux.Stringid(8310162,0))
	e1:SetCategory(CATEGORY_SPECIAL_SUMMON)
	e1:SetType(EFFECT_TYPE_SINGLE+EFFECT_TYPE_TRIGGER_O)
	e1:SetProperty(EFFECT_FLAG_CARD_TARGET)
	e1:SetCode(EVENT_SPSUMMON_SUCCESS)
	e1:SetCondition(c8310162.spcon)
	e1:SetTarget(c8310162.sptg)
	e1:SetOperation(c8310162.spop)
	c:RegisterEffect(e1)
	--selfdes
	local e2=Effect.CreateEffect(c)
	e2:SetType(EFFECT_TYPE_SINGLE)
	e2:SetCode(EFFECT_SELF_DESTROY)
	e2:SetCondition(c8310162.descon)
	c:RegisterEffect(e2)
end
function c8310162.descon(e)
	local c=e:GetHandler()
	local f1=Duel.GetFieldCard(0,LOCATION_SZONE,5)
	local f2=Duel.GetFieldCard(1,LOCATION_SZONE,5)
	return ((f1==nil or not f1:IsFaceup() or f1:GetCode()~=27564031) and (f2==nil or not f2:IsFaceup() or f2:GetCode()~=27564031))
end
function c8310162.spcon(e,tp,eg,ep,ev,re,r,rp)
	return e:GetHandler():GetSummonType()==SUMMON_TYPE_SYNCHRO
end
function c8310162.spfilter(c,e,tp)
	return c:IsType(TYPE_SYNCHRO) and c:IsCanBeSpecialSummoned(e,0,tp,false,false)
end
function c8310162.sptg(e,tp,eg,ep,ev,re,r,rp,chk,chkc)
	if chkc then return chkc:IsLocation(LOCATION_GRAVE) and c8310162.spfilter(chkc,e,tp) end
	if chk==0 then return Duel.GetLocationCount(tp,LOCATION_MZONE)>0
		and Duel.IsExistingTarget(c8310162.spfilter,tp,LOCATION_GRAVE,LOCATION_GRAVE,1,nil,e,tp) end
	Duel.Hint(HINT_SELECTMSG,tp,HINTMSG_SPSUMMON)
	local g=Duel.SelectTarget(tp,c8310162.spfilter,tp,LOCATION_GRAVE,LOCATION_GRAVE,1,1,nil,e,tp)
	Duel.SetOperationInfo(0,CATEGORY_SPECIAL_SUMMON,g,1,0,0)
end
function c8310162.spop(e,tp,eg,ep,ev,re,r,rp)
	local tc=Duel.GetFirstTarget()
	if tc:IsRelateToEffect(e) then
		Duel.SpecialSummon(tc,0,tp,tp,false,false,POS_FACEUP)
	end
end
