Generate a YGOPro Lua script for the following Yu-Gi-Oh card effect:
If you control a "Fluffal" monster, except "Fluffal Sheep", you can Special Summon this card (from your hand). You can return 1 other "Fluffal" monster you control to the hand; Special Summon 1 "Edge Imp" monster from your hand or Graveyard. You can only use this effect of "Fluffal Sheep" once per turn.
--ファーニマル・シープ
--Fluffal Sheep
local s,id=GetID()
function s.initial_effect(c)
	--special summon
	local e1=Effect.CreateEffect(c)
	e1:SetType(EFFECT_TYPE_FIELD)
	e1:SetCode(EFFECT_SPSUMMON_PROC)
	e1:SetProperty(EFFECT_FLAG_UNCOPYABLE)
	e1:SetRange(LOCATION_HAND)
	e1:SetCondition(s.spcon)
	c:RegisterEffect(e1)
	--spsummon
	local e2=Effect.CreateEffect(c)
	e2:SetCategory(CATEGORY_SPECIAL_SUMMON)
	e2:SetType(EFFECT_TYPE_IGNITION)
	e2:SetRange(LOCATION_MZONE)
	e2:SetCountLimit(1,id)
	e2:SetCost(s.spcost)
	e2:SetTarget(s.sptg)
	e2:SetOperation(s.spop)
	c:RegisterEffect(e2)
end
s.listed_series={SET_FLUFFAL,SET_EDGE_IMP}
s.listed_names={id}
function s.filter(c)
	return c:IsFaceup() and c:IsSetCard(SET_FLUFFAL) and not c:IsCode(id)
end
function s.spcon(e,c)
	if c==nil then return true end
	return Duel.GetLocationCount(c:GetControler(),LOCATION_MZONE)>0
		and Duel.IsExistingMatchingCard(s.filter,c:GetControler(),LOCATION_MZONE,0,1,nil)
end
function s.cfilter(c,ft)
	return c:IsFaceup() and c:IsSetCard(SET_FLUFFAL) and c:IsAbleToHandAsCost() and (ft>0 or c:GetSequence()<5)
end
function s.spcost(e,tp,eg,ep,ev,re,r,rp,chk)
	local ft=Duel.GetLocationCount(tp,LOCATION_MZONE)
	if chk==0 then return ft>-1 and Duel.IsExistingMatchingCard(s.cfilter,tp,LOCATION_MZONE,0,1,e:GetHandler(),ft) end
	Duel.Hint(HINT_SELECTMSG,tp,HINTMSG_RTOHAND)
	local g=Duel.SelectMatchingCard(tp,s.cfilter,tp,LOCATION_MZONE,0,1,1,e:GetHandler(),ft)
	Duel.SendtoHand(g,nil,REASON_COST)
end
function s.spfilter(c,e,tp)
	return c:IsSetCard(SET_EDGE_IMP) 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.IsExistingMatchingCard(s.spfilter,tp,LOCATION_HAND|LOCATION_GRAVE,0,1,nil,e,tp) end
	Duel.SetOperationInfo(0,CATEGORY_SPECIAL_SUMMON,nil,1,tp,LOCATION_HAND|LOCATION_GRAVE)
end
function s.spop(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,aux.NecroValleyFilter(s.spfilter),tp,LOCATION_HAND|LOCATION_GRAVE,0,1,1,nil,e,tp)
	if #g>0 then
		Duel.SpecialSummon(g,0,tp,tp,false,false,POS_FACEUP)
	end
end