Generate a YGOPro Lua script for the following Yu-Gi-Oh card effect:
Place 1 card from your hand on either the top or bottom of the Deck, and if you do, Special Summon 1 "Sylvan" monster from your hand or Graveyard. It is unaffected by other card effects this turn. Place it on either the top or bottom of the Deck during the End Phase.
--森羅の恵み
--Sylvan Blessing
local s,id=GetID()
function s.initial_effect(c)
	--Special summon 1 "Sylvan" monster from hand or GY
	local e1=Effect.CreateEffect(c)
	e1:SetCategory(CATEGORY_TODECK+CATEGORY_SPECIAL_SUMMON)
	e1:SetType(EFFECT_TYPE_ACTIVATE)
	e1:SetCode(EVENT_FREE_CHAIN)
	e1:SetTarget(s.target)
	e1:SetOperation(s.activate)
	e1:SetHintTiming(0,TIMINGS_CHECK_MONSTER|TIMING_END_PHASE)
	c:RegisterEffect(e1)
end
s.listed_series={SET_SYLVAN}
function s.filter(c,e,tp)
	return c:IsAbleToDeck() and Duel.IsExistingMatchingCard(s.spfilter,tp,LOCATION_HAND|LOCATION_GRAVE,0,1,c,e,tp)
end
function s.spfilter(c,e,tp)
	return c:IsSetCard(SET_SYLVAN) and c:IsCanBeSpecialSummoned(e,0,tp,false,false)
end
function s.target(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_HAND,0,1,nil,e,tp) end
	Duel.SetOperationInfo(0,CATEGORY_TODECK,nil,1,tp,LOCATION_HAND)
	Duel.SetOperationInfo(0,CATEGORY_SPECIAL_SUMMON,nil,1,tp,LOCATION_HAND|LOCATION_GRAVE)
end
function s.activate(e,tp,eg,ep,ev,re,r,rp)
	if Duel.GetLocationCount(tp,LOCATION_MZONE)<=0 then return end
	Duel.Hint(HINT_SELECTMSG,tp,HINTMSG_TODECK)
	local g=Duel.SelectMatchingCard(tp,s.filter,tp,LOCATION_HAND,0,1,1,nil,e,tp)
	local tc=g:GetFirst()
	if tc then
		local opt=Duel.SelectOption(tp,aux.Stringid(id,0),aux.Stringid(id,1))
		Duel.SendtoDeck(g,nil,opt,REASON_EFFECT)
		Duel.Hint(HINT_SELECTMSG,tp,HINTMSG_SPSUMMON)
		local sg=Duel.SelectMatchingCard(tp,aux.NecroValleyFilter(s.spfilter),tp,LOCATION_HAND|LOCATION_GRAVE,0,1,1,tc,e,tp)
		local sc=sg:GetFirst()
		if sc then
			Duel.SpecialSummon(sg,0,tp,tp,false,false,POS_FACEUP)
			--Place it either on top or bottom of deck during end phase
			local e1=Effect.CreateEffect(e:GetHandler())
			e1:SetType(EFFECT_TYPE_FIELD+EFFECT_TYPE_CONTINUOUS)
			e1:SetRange(LOCATION_MZONE)
			e1:SetCountLimit(1)
			e1:SetCode(EVENT_PHASE+PHASE_END)
			e1:SetOperation(s.tdop)
			e1:SetReset(RESETS_STANDARD_PHASE_END)
			sc:RegisterEffect(e1)
			--Unaffected by other card effects
			local e2=Effect.CreateEffect(e:GetHandler())
			e2:SetDescription(3100)
			e2:SetType(EFFECT_TYPE_SINGLE)
			e2:SetProperty(EFFECT_FLAG_SINGLE_RANGE+EFFECT_FLAG_CLIENT_HINT)
			e2:SetRange(LOCATION_MZONE)
			e2:SetCode(EFFECT_IMMUNE_EFFECT)
			e2:SetReset(RESETS_STANDARD_PHASE_END)
			e2:SetValue(s.efilter)
			sc:RegisterEffect(e2)
		end
	end
end
function s.tdop(e,tp,eg,ep,ev,re,r,rp)
	local c=e:GetHandler()
	if c:IsType(TYPE_FUSION+TYPE_SYNCHRO+TYPE_XYZ)
		or Duel.SelectOption(tp,aux.Stringid(id,0),aux.Stringid(id,1))==0 then
		Duel.SendtoDeck(c,nil,SEQ_DECKTOP,REASON_EFFECT)
	else
		Duel.SendtoDeck(c,nil,SEQ_DECKBOTTOM,REASON_EFFECT)
	end
end
function s.efilter(e,te)
	return te:GetOwner()~=e:GetOwner()
end