Ritual
Banish 2 "Ritual Beast" monsters you control; Special Summon 1 "Ritual Beast" monster from your Extra Deck, ignoring its Summoning conditions.
local SETCARD_ID_0 = 0xb5 --Ritual

local SETCARD_ID_0 = 0xb5 --Ritual
local s, id, o = GetID()
function s.initial_effect(c)
	--Activate
	local e1 = Effect.CreateEffect(c)
	e1:SetCategory(CATEGORY_SPECIAL_SUMMON)
	e1:SetType(EFFECT_TYPE_ACTIVATE)
	e1:SetCode(EVENT_FREE_CHAIN)
	e1:SetHintTiming(0, TIMING_END_PHASE)
	e1:SetCost(s.cost)
	e1:SetTarget(s.target)
	e1:SetOperation(s.activate)
	c:RegisterEffect(e1)
end
function s.cfilter(c)
	return c:IsFaceup() and c:IsSetCard(SETCARD_ID_0) and c:IsAbleToRemoveAsCost()
end
function s.cfilter1(c, cg, e, tp)
	return cg:IsExists(s.cfilter2, 1, c, c, e, tp)
end
function s.cfilter2(c, mc, e, tp)
	return Duel.IsExistingMatchingCard(s.filter, tp, LOCATION_EXTRA, 0, 1, nil, e, tp, Group.FromCards(c, mc))
end
function s.cost(e, tp, eg, ep, ev, re, r, rp, chk)
	e:SetLabel(100)
	return true
end
function s.filter(c, e, tp, mg)
	return c:IsSetCard(SETCARD_ID_0) and c:IsCanBeSpecialSummoned(e, 0, tp, true, false) and Duel.GetLocationCountFromEx(tp, tp, mg, c) > 0
end
function s.target(e, tp, eg, ep, ev, re, r, rp, chk)
	local cg = Duel.GetMatchingGroup(s.cfilter, tp, LOCATION_MZONE, 0, nil)
	if chk == 0 then
		if e:GetLabel() ~= 100 then
			return false
		end
		e:SetLabel(0)
		return cg:IsExists(s.cfilter1, 1, nil, cg, e, tp)
	end
	e:SetLabel(0)
	Duel.Hint(HINT_SELECTMSG, tp, HINTMSG_REMOVE)
	local g1 = cg:FilterSelect(tp, s.cfilter1, 1, 1, nil, cg, e, tp)
	local tc = g1:GetFirst()
	Duel.Hint(HINT_SELECTMSG, tp, HINTMSG_REMOVE)
	local g2 = cg:FilterSelect(tp, s.cfilter2, 1, 1, tc, tc, e, tp)
	g1:Merge(g2)
	Duel.Remove(g1, POS_FACEUP, REASON_COST)
	Duel.SetOperationInfo(0, CATEGORY_SPECIAL_SUMMON, nil, 1, tp, LOCATION_EXTRA)
end
function s.activate(e, tp, eg, ep, ev, re, r, rp)
	Duel.Hint(HINT_SELECTMSG, tp, HINTMSG_SPSUMMON)
	local g = Duel.SelectMatchingCard(tp, s.filter, tp, LOCATION_EXTRA, 0, 1, 1, nil, e, tp, nil)
	if g:GetCount() > 0 then
		Duel.SpecialSummon(g, 0, tp, tp, true, false, POS_FACEUP)
	end
end


Ritual
Banish 2 "Ritual Beast" monsters you control; Special Summon 1 "Ritual Beast" monster from your Extra Deck, ignoring its Summoning conditions.
-- Ritual
local SETCARD_ID_0 = 0xb5 --Ritual
local s, id, o = GetID()
function s.initial_effect(c)
	--Activate
	local e1 = Effect.CreateEffect(c)
	e1:SetCategory(CATEGORY_SPECIAL_SUMMON)
	e1:SetType(EFFECT_TYPE_ACTIVATE)
	e1:SetCode(EVENT_FREE_CHAIN)
	e1:SetHintTiming(0, TIMING_END_PHASE)
	e1:SetCost(s.cost)
	e1:SetTarget(s.target)
	e1:SetOperation(s.activate)
	c:RegisterEffect(e1)
end
function s.cfilter(c)
	return c:IsFaceup() and c:IsSetCard(SETCARD_ID_0) and c:IsAbleToRemoveAsCost()
end
function s.cfilter1(c, cg, e, tp)
	return cg:IsExists(s.cfilter2, 1, c, c, e, tp)
end
function s.cfilter2(c, mc, e, tp)
	return Duel.IsExistingMatchingCard(s.filter, tp, LOCATION_EXTRA, 0, 1, nil, e, tp, Group.FromCards(c, mc))
end
function s.cost(e, tp, eg, ep, ev, re, r, rp, chk)
	e:SetLabel(100)
	return true
end
function s.filter(c, e, tp, mg)
	return c:IsSetCard(SETCARD_ID_0) and c:IsCanBeSpecialSummoned(e, 0, tp, true, false) and Duel.GetLocationCountFromEx(tp, tp, mg, c) > 0
end
function s.target(e, tp, eg, ep, ev, re, r, rp, chk)
	local cg = Duel.GetMatchingGroup(s.cfilter, tp, LOCATION_MZONE, 0, nil)
	if chk == 0 then
		if e:GetLabel() ~= 100 then
			return false
		end
		e:SetLabel(0)
		return cg:IsExists(s.cfilter1, 1, nil, cg, e, tp)
	end
	e:SetLabel(0)
	Duel.Hint(HINT_SELECTMSG, tp, HINTMSG_REMOVE)
	local g1 = cg:FilterSelect(tp, s.cfilter1, 1, 1, nil, cg, e, tp)
	local tc = g1:GetFirst()
	Duel.Hint(HINT_SELECTMSG, tp, HINTMSG_REMOVE)
	local g2 = cg:FilterSelect(tp, s.cfilter2, 1, 1, tc, tc, e, tp)
	g1:Merge(g2)
	Duel.Remove(g1, POS_FACEUP, REASON_COST)
	Duel.SetOperationInfo(0, CATEGORY_SPECIAL_SUMMON, nil, 1, tp, LOCATION_EXTRA)
end
function s.activate(e, tp, eg, ep, ev, re, r, rp)
	Duel.Hint(HINT_SELECTMSG, tp, HINTMSG_SPSUMMON)
	local g = Duel.SelectMatchingCard(tp, s.filter, tp, LOCATION_EXTRA, 0, 1, 1, nil, e, tp, nil)
	if g:GetCount() > 0 then
		Duel.SpecialSummon(g, 0, tp, tp, true, false, POS_FACEUP)
	end
end

