Generate a YGOPro Lua script for the following Yu-Gi-Oh card effect:
You can send 1 Spell/Trap from your hand or field to the GY; Special Summon 1 LIGHT Spellcaster Tuner from your Deck. If a Spell/Trap(s) is sent to your GY to activate a monster's effect, while this card is in your GY (except during the Damage Step): You can Special Summon this card. You can only use each effect of "Astellar of the White Forest" once per turn.
--白き森のアステーリャ
--Astellar of the White Forest
--Scripted by Hatter
local s,id=GetID()
function s.initial_effect(c)
	--Special Summon 1 LIGHT Spellcaster Tuner from your Deck
	local e1=Effect.CreateEffect(c)
	e1:SetDescription(aux.Stringid(id,0))
	e1:SetCategory(CATEGORY_SPECIAL_SUMMON)
	e1:SetType(EFFECT_TYPE_IGNITION)
	e1:SetRange(LOCATION_MZONE)
	e1:SetCountLimit(1,id)
	e1:SetCost(s.dspcost)
	e1:SetTarget(s.dsptg)
	e1:SetOperation(s.dspop)
	c:RegisterEffect(e1)
	--Special Summon this card
	local e2=Effect.CreateEffect(c)
	e2:SetDescription(aux.Stringid(id,1))
	e2:SetCategory(CATEGORY_SPECIAL_SUMMON)
	e2:SetType(EFFECT_TYPE_FIELD+EFFECT_TYPE_TRIGGER_O)
	e2:SetProperty(EFFECT_FLAG_DELAY,EFFECT_FLAG2_CHECK_SIMULTANEOUS)
	e2:SetCode(EVENT_TO_GRAVE)
	e2:SetRange(LOCATION_GRAVE)
	e2:SetCountLimit(1,{id,1})
	e2:SetCondition(s.selfspcon)
	e2:SetTarget(s.selfsptg)
	e2:SetOperation(s.selfspop)
	c:RegisterEffect(e2)
end
s.listed_series={SET_WHITE_FOREST}
function s.dspcostfilter(c,tp)
	return c:IsSpellTrap() and c:IsAbleToGraveAsCost() and Duel.GetMZoneCount(tp,c)>0
end
function s.dspcost(e,tp,eg,ep,ev,re,r,rp,chk)
	if chk==0 then return Duel.IsExistingMatchingCard(s.dspcostfilter,tp,LOCATION_HAND|LOCATION_ONFIELD,0,1,nil,tp) end
	Duel.Hint(HINT_SELECTMSG,tp,HINTMSG_TOGRAVE)
	local g=Duel.SelectMatchingCard(tp,s.dspcostfilter,tp,LOCATION_HAND|LOCATION_ONFIELD,0,1,1,nil,tp)
	Duel.SendtoGrave(g,REASON_COST)
end
function s.dspfilter(c,e,tp)
	return c:IsAttribute(ATTRIBUTE_LIGHT) and c:IsRace(RACE_SPELLCASTER) and c:IsType(TYPE_TUNER)
		and c:IsCanBeSpecialSummoned(e,0,tp,false,false)
end
function s.dsptg(e,tp,eg,ep,ev,re,r,rp,chk)
	if chk==0 then return Duel.IsExistingMatchingCard(s.dspfilter,tp,LOCATION_DECK,0,1,nil,e,tp) end
	Duel.SetOperationInfo(0,CATEGORY_SPECIAL_SUMMON,nil,1,tp,LOCATION_DECK)
end
function s.dspop(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.dspfilter,tp,LOCATION_DECK,0,1,1,nil,e,tp)
	if #g>0 then
		Duel.SpecialSummon(g,0,tp,tp,false,false,POS_FACEUP)
	end
end
function s.selfspconfilter(c,tp)
	return c:IsSpellTrap() and c:IsReason(REASON_COST) and c:IsControler(tp)
end
function s.selfspcon(e,tp,eg,ep,ev,re,r,rp)
	return not eg:IsContains(e:GetHandler()) and eg:IsExists(s.selfspconfilter,1,nil,tp)
		and re:IsMonsterEffect() and re:IsActivated()
end
function s.selfsptg(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 s.selfspop(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