--created by Meedogh, coded by Meedogh & Lyris
local s,id=GetID()
function s.initial_effect(c)
	local e1=Effect.CreateEffect(c)
	e1:SetType(EFFECT_TYPE_SINGLE)
	e1:SetProperty(EFFECT_FLAG_SINGLE_RANGE)
	e1:SetCode(EFFECT_ADD_ATTRIBUTE)
	e1:SetRange(LOCATION_MZONE)
	e1:SetValue(ATTRIBUTE_LIGHT)
	c:RegisterEffect(e1)
	local e2=Effect.CreateEffect(c)
	e2:SetType(EFFECT_TYPE_FIELD)
	e2:SetCode(EFFECT_SPSUMMON_PROC)
	e2:SetProperty(EFFECT_FLAG_UNCOPYABLE)
	e2:SetRange(LOCATION_HAND+LOCATION_GRAVE)
	e2:SetCondition(s.hspcon)
	e2:SetOperation(s.hspop)
	c:RegisterEffect(e2)
	local e3=Effect.CreateEffect(c)
	e3:SetDescription(aux.Stringid(id,0))
	e3:SetCategory(CATEGORY_SPECIAL_SUMMON)
	e3:SetType(EFFECT_TYPE_SINGLE+EFFECT_TYPE_TRIGGER_O)
	e3:SetProperty(EFFECT_FLAG_DAMAGE_STEP+EFFECT_FLAG_DELAY)
	e3:SetCode(EVENT_SUMMON_SUCCESS)
	e3:SetTarget(s.sptg)
	e3:SetOperation(s.spop)
	c:RegisterEffect(e3)
	local e4=e3:Clone()
	e4:SetCode(EVENT_FLIP_SUMMON_SUCCESS)
	c:RegisterEffect(e4)
	local e5=e3:Clone()
	e5:SetCode(EVENT_SPSUMMON_SUCCESS)
	c:RegisterEffect(e5)
end
function s.rfilter(c)
	return c:IsFaceup() and (c:IsAttribute(ATTRIBUTE_LIGHT) or c:IsAttribute(ATTRIBUTE_DARK))
end
function s.hspcon(e,c)
	if c==nil then return true end
	return Duel.GetLocationCount(c:GetControler(),LOCATION_MZONE)>-1
		and Duel.CheckReleaseGroup(c:GetControler(),s.rfilter,1,nil)
end
function s.hspop(e,tp,eg,ep,ev,re,r,rp,c)
	local g=Duel.SelectReleaseGroup(c:GetControler(),s.rfilter,1,1,nil)
	if Duel.Release(g,REASON_COST) then
		local e1=Effect.CreateEffect(e:GetHandler())
		e1:SetType(EFFECT_TYPE_SINGLE)
		e1:SetCode(EFFECT_LEAVE_FIELD_REDIRECT)
		e1:SetProperty(EFFECT_FLAG_CANNOT_DISABLE)
		e1:SetReset(RESET_EVENT+0x47e0000)
		e1:SetValue(LOCATION_REMOVED)
		e:GetHandler():RegisterEffect(e1)
	end
end
function s.filter(c,e,tp)
	return (c:IsAttribute(ATTRIBUTE_LIGHT) or c:IsAttribute(ATTRIBUTE_DARK))
		and c:IsLevelBelow(4) and c:IsCanBeSpecialSummoned(e,0,tp,false,false)
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.filter,tp,LOCATION_DECK,0,1,nil,e,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)
	local c=e:GetHandler()
	if Duel.GetLocationCount(tp,LOCATION_MZONE)<=0 then return end
	Duel.Hint(HINT_SELECTMSG,tp,HINTMSG_SPSUMMON)
	local g=Duel.SelectMatchingCard(tp,s.filter,tp,LOCATION_DECK,0,1,1,nil,e,tp)
	local tc=g:GetFirst()
	if tc and Duel.SpecialSummonStep(tc,0,tp,tp,false,false,POS_FACEUP) then
		local e1=Effect.CreateEffect(c)
		e1:SetType(EFFECT_TYPE_SINGLE)
		e1:SetCode(EFFECT_CHANGE_RACE)
		e1:SetValue(RACE_DRAGON)
		e1:SetReset(RESET_EVENT+RESETS_STANDARD)
		tc:RegisterEffect(e1)
		local e2=Effect.CreateEffect(c)
		e2:SetType(EFFECT_TYPE_FIELD)
		e2:SetCode(EFFECT_CANNOT_SPECIAL_SUMMON)
		e2:SetProperty(EFFECT_FLAG_PLAYER_TARGET)
		e2:SetTargetRange(1,0)
		e2:SetTarget(s.splimit)
		e2:SetReset(RESET_PHASE+PHASE_END)
		Duel.RegisterEffect(e2,tp)
		Duel.SpecialSummonComplete()
	end
end
function s.splimit(e,c)
	return not (c:IsType(TYPE_BIGBANG) and c:IsRace(RACE_DRAGON)) and c:IsLocation(LOCATION_EXTRA)
end