Spectral,
You can discard this card and 1 Dragon or LIGHT monster; add 2 "Dragon Ruler" monsters from your Deck to your hand, except "Spectral, Dragon Ruler of Flickers". You can banish from your GY, this card and 1 Dragon or LIGHT monster, then target 1 "Chasma, Dragon Ruler of Auroras" in your GY; Special Summon it. You can only use 1 "Spectral, Dragon Ruler of Flickers" effect per turn, and only once that turn.
local CARD_ID_0 = 4965193 --Chasma, Dragon Ruler of Auroras
local SETCARD_ID_0 = 0x1c4 --Dragon

local CARD_ID_0 = 4965193 --Chasma, Dragon Ruler of Auroras
local SETCARD_ID_0 = 0x1c4 --Dragon
local s, id, o = GetID()
function s.initial_effect(c)
	aux.AddCodeList(c, CARD_ID_0)
	--search
	local e1 = Effect.CreateEffect(c)
	e1:SetDescription(aux.Stringid(id, 0))
	e1:SetCategory(CATEGORY_TOHAND + CATEGORY_SEARCH)
	e1:SetType(EFFECT_TYPE_IGNITION)
	e1:SetRange(LOCATION_HAND)
	e1:SetCountLimit(1, id)
	e1:SetCost(s.thcost)
	e1:SetTarget(s.thtg)
	e1:SetOperation(s.thop)
	c:RegisterEffect(e1)
	--special summon
	local e2 = Effect.CreateEffect(c)
	e2:SetDescription(aux.Stringid(id, 1))
	e2:SetCategory(CATEGORY_SPECIAL_SUMMON)
	e2:SetType(EFFECT_TYPE_IGNITION)
	e2:SetRange(LOCATION_GRAVE)
	e2:SetProperty(EFFECT_FLAG_CARD_TARGET)
	e2:SetCountLimit(1, id)
	e2:SetCost(s.spcost)
	e2:SetTarget(s.sptg)
	e2:SetOperation(s.spop)
	c:RegisterEffect(e2)
end
function s.dfilter(c)
	return (c:IsAttribute(ATTRIBUTE_LIGHT) or c:IsRace(RACE_DRAGON)) and c:IsDiscardable()
end
function s.thcost(e, tp, eg, ep, ev, re, r, rp, chk)
	if chk == 0 then
		return e:GetHandler():IsDiscardable() and Duel.IsExistingMatchingCard(s.dfilter, tp, LOCATION_HAND, 0, 1, e:GetHandler())
	end
	Duel.Hint(HINT_SELECTMSG, tp, HINTMSG_DISCARD)
	local g = Duel.SelectMatchingCard(tp, s.dfilter, tp, LOCATION_HAND, 0, 1, 1, e:GetHandler())
	g:AddCard(e:GetHandler())
	Duel.SendtoGrave(g, REASON_COST + REASON_DISCARD)
end
function s.thfilter(c)
	return not c:IsCode(id) and c:IsSetCard(SETCARD_ID_0) and c:IsType(TYPE_MONSTER) and c:IsAbleToHand()
end
function s.thtg(e, tp, eg, ep, ev, re, r, rp, chk)
	if chk == 0 then
		return Duel.IsExistingMatchingCard(s.thfilter, tp, LOCATION_DECK, 0, 2, nil)
	end
	Duel.SetOperationInfo(0, CATEGORY_TOHAND, nil, 2, tp, LOCATION_DECK)
end
function s.thop(e, tp, eg, ep, ev, re, r, rp)
	local g = Duel.GetMatchingGroup(s.thfilter, tp, LOCATION_DECK, 0, nil)
	if g:GetCount() < 2 then
		return
	end
	Duel.Hint(HINT_SELECTMSG, tp, HINTMSG_ATOHAND)
	local sg = g:Select(tp, 2, 2, nil)
	if sg:GetCount() > 0 then
		Duel.SendtoHand(sg, nil, REASON_EFFECT)
		Duel.ConfirmCards(1 - tp, sg)
	end
end
function s.costfilter(c, e, tp)
	return (c:IsAttribute(ATTRIBUTE_LIGHT) or c:IsRace(RACE_DRAGON)) and c:IsAbleToRemoveAsCost() and Duel.IsExistingMatchingCard(s.spfilter, tp, LOCATION_GRAVE, 0, 1, c, e, tp)
end
function s.spcost(e, tp, eg, ep, ev, re, r, rp, chk)
	local c = e:GetHandler()
	if chk == 0 then
		return Duel.IsExistingMatchingCard(s.costfilter, tp, LOCATION_GRAVE, 0, 1, c, e, tp) and aux.bfgcost(e, tp, eg, ep, ev, re, r, rp, chk)
	end
	Duel.Hint(HINT_SELECTMSG, tp, HINTMSG_REMOVE)
	local g = Duel.SelectMatchingCard(tp, s.costfilter, tp, LOCATION_GRAVE, 0, 1, 1, c, e, tp)
	Duel.Remove(g, POS_FACEUP, REASON_COST)
	aux.bfgcost(e, tp, eg, ep, ev, re, r, rp, chk)
end
function s.spfilter(c, e, tp)
	return c:IsCode(CARD_ID_0) and c:IsCanBeSpecialSummoned(e, 0, tp, false, false)
end
function s.sptg(e, tp, eg, ep, ev, re, r, rp, chk, chkc)
	if chkc then
		return chkc:IsLocation(LOCATION_GRAVE) and chkc:IsControler(tp) and s.spfilter(chkc, e, tp)
	end
	if chk == 0 then
		return Duel.GetLocationCount(tp, LOCATION_MZONE) > 0 and Duel.IsExistingTarget(s.spfilter, tp, LOCATION_GRAVE, 0, 1, e:GetHandler(), e, tp)
	end
	Duel.Hint(HINT_SELECTMSG, tp, HINTMSG_SPSUMMON)
	local g = Duel.SelectTarget(tp, s.spfilter, tp, LOCATION_GRAVE, 0, 1, 1, nil, e, tp)
	Duel.SetOperationInfo(0, CATEGORY_SPECIAL_SUMMON, g, 1, 0, 0)
end
function s.spop(e, tp, eg, ep, ev, re, r, rp)
	local tc = Duel.GetFirstTarget()
	if tc:IsRelateToEffect(e) and aux.NecroValleyFilter()(tc) then
		Duel.SpecialSummon(tc, 0, tp, tp, false, false, POS_FACEUP)
	end
end


Spectral,
You can discard this card and 1 Dragon or LIGHT monster; add 2 "Dragon Ruler" monsters from your Deck to your hand, except "Spectral, Dragon Ruler of Flickers". You can banish from your GY, this card and 1 Dragon or LIGHT monster, then target 1 "Chasma, Dragon Ruler of Auroras" in your GY; Special Summon it. You can only use 1 "Spectral, Dragon Ruler of Flickers" effect per turn, and only once that turn.
-- Spectral,
local CARD_ID_0 = 4965193 --Chasma, Dragon Ruler of Auroras
local SETCARD_ID_0 = 0x1c4 --Dragon
local s, id, o = GetID()
function s.initial_effect(c)
	aux.AddCodeList(c, CARD_ID_0)
	--search
	local e1 = Effect.CreateEffect(c)
	e1:SetDescription(aux.Stringid(id, 0))
	e1:SetCategory(CATEGORY_TOHAND + CATEGORY_SEARCH)
	e1:SetType(EFFECT_TYPE_IGNITION)
	e1:SetRange(LOCATION_HAND)
	e1:SetCountLimit(1, id)
	e1:SetCost(s.thcost)
	e1:SetTarget(s.thtg)
	e1:SetOperation(s.thop)
	c:RegisterEffect(e1)
	--special summon
	local e2 = Effect.CreateEffect(c)
	e2:SetDescription(aux.Stringid(id, 1))
	e2:SetCategory(CATEGORY_SPECIAL_SUMMON)
	e2:SetType(EFFECT_TYPE_IGNITION)
	e2:SetRange(LOCATION_GRAVE)
	e2:SetProperty(EFFECT_FLAG_CARD_TARGET)
	e2:SetCountLimit(1, id)
	e2:SetCost(s.spcost)
	e2:SetTarget(s.sptg)
	e2:SetOperation(s.spop)
	c:RegisterEffect(e2)
end
function s.dfilter(c)
	return (c:IsAttribute(ATTRIBUTE_LIGHT) or c:IsRace(RACE_DRAGON)) and c:IsDiscardable()
end
function s.thcost(e, tp, eg, ep, ev, re, r, rp, chk)
	if chk == 0 then
		return e:GetHandler():IsDiscardable() and Duel.IsExistingMatchingCard(s.dfilter, tp, LOCATION_HAND, 0, 1, e:GetHandler())
	end
	Duel.Hint(HINT_SELECTMSG, tp, HINTMSG_DISCARD)
	local g = Duel.SelectMatchingCard(tp, s.dfilter, tp, LOCATION_HAND, 0, 1, 1, e:GetHandler())
	g:AddCard(e:GetHandler())
	Duel.SendtoGrave(g, REASON_COST + REASON_DISCARD)
end
function s.thfilter(c)
	return not c:IsCode(id) and c:IsSetCard(SETCARD_ID_0) and c:IsType(TYPE_MONSTER) and c:IsAbleToHand()
end
function s.thtg(e, tp, eg, ep, ev, re, r, rp, chk)
	if chk == 0 then
		return Duel.IsExistingMatchingCard(s.thfilter, tp, LOCATION_DECK, 0, 2, nil)
	end
	Duel.SetOperationInfo(0, CATEGORY_TOHAND, nil, 2, tp, LOCATION_DECK)
end
function s.thop(e, tp, eg, ep, ev, re, r, rp)
	local g = Duel.GetMatchingGroup(s.thfilter, tp, LOCATION_DECK, 0, nil)
	if g:GetCount() < 2 then
		return
	end
	Duel.Hint(HINT_SELECTMSG, tp, HINTMSG_ATOHAND)
	local sg = g:Select(tp, 2, 2, nil)
	if sg:GetCount() > 0 then
		Duel.SendtoHand(sg, nil, REASON_EFFECT)
		Duel.ConfirmCards(1 - tp, sg)
	end
end
function s.costfilter(c, e, tp)
	return (c:IsAttribute(ATTRIBUTE_LIGHT) or c:IsRace(RACE_DRAGON)) and c:IsAbleToRemoveAsCost() and Duel.IsExistingMatchingCard(s.spfilter, tp, LOCATION_GRAVE, 0, 1, c, e, tp)
end
function s.spcost(e, tp, eg, ep, ev, re, r, rp, chk)
	local c = e:GetHandler()
	if chk == 0 then
		return Duel.IsExistingMatchingCard(s.costfilter, tp, LOCATION_GRAVE, 0, 1, c, e, tp) and aux.bfgcost(e, tp, eg, ep, ev, re, r, rp, chk)
	end
	Duel.Hint(HINT_SELECTMSG, tp, HINTMSG_REMOVE)
	local g = Duel.SelectMatchingCard(tp, s.costfilter, tp, LOCATION_GRAVE, 0, 1, 1, c, e, tp)
	Duel.Remove(g, POS_FACEUP, REASON_COST)
	aux.bfgcost(e, tp, eg, ep, ev, re, r, rp, chk)
end
function s.spfilter(c, e, tp)
	return c:IsCode(CARD_ID_0) and c:IsCanBeSpecialSummoned(e, 0, tp, false, false)
end
function s.sptg(e, tp, eg, ep, ev, re, r, rp, chk, chkc)
	if chkc then
		return chkc:IsLocation(LOCATION_GRAVE) and chkc:IsControler(tp) and s.spfilter(chkc, e, tp)
	end
	if chk == 0 then
		return Duel.GetLocationCount(tp, LOCATION_MZONE) > 0 and Duel.IsExistingTarget(s.spfilter, tp, LOCATION_GRAVE, 0, 1, e:GetHandler(), e, tp)
	end
	Duel.Hint(HINT_SELECTMSG, tp, HINTMSG_SPSUMMON)
	local g = Duel.SelectTarget(tp, s.spfilter, tp, LOCATION_GRAVE, 0, 1, 1, nil, e, tp)
	Duel.SetOperationInfo(0, CATEGORY_SPECIAL_SUMMON, g, 1, 0, 0)
end
function s.spop(e, tp, eg, ep, ev, re, r, rp)
	local tc = Duel.GetFirstTarget()
	if tc:IsRelateToEffect(e) and aux.NecroValleyFilter()(tc) then
		Duel.SpecialSummon(tc, 0, tp, tp, false, false, POS_FACEUP)
	end
end

