Rookie
Tribute 1 monster; Special Summon 1 monster "Fur Hire" from your hand or Deck, whose Level is 1 higher or 1 lower than the Tributed monster had on the field. You cannot declare attacks the turn you activate this card, except with monsters "Fur Hire". You can only activate 1 "Rookie Fur Hire" per turn.
local SETCARD_ID_0 = 0x114 --Fur

local SETCARD_ID_0 = 0x114 --Fur
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:SetLabel(0)
	e1:SetCountLimit(1, id + EFFECT_COUNT_CODE_OATH)
	e1:SetCost(s.cost)
	e1:SetTarget(s.target)
	e1:SetOperation(s.activate)
	c:RegisterEffect(e1)
	Duel.AddCustomActivityCounter(id, ACTIVITY_ATTACK, s.counterfilter)
end
function s.counterfilter(c)
	return c:IsSetCard(SETCARD_ID_0)
end
function s.cost(e, tp, eg, ep, ev, re, r, rp, chk)
	e:SetLabel(100)
	if chk == 0 then
		return Duel.GetCustomActivityCount(id, tp, ACTIVITY_ATTACK) == 0
	end
	local e1 = Effect.CreateEffect(e:GetHandler())
	e1:SetType(EFFECT_TYPE_FIELD)
	e1:SetCode(EFFECT_CANNOT_ATTACK_ANNOUNCE)
	e1:SetProperty(EFFECT_FLAG_IGNORE_IMMUNE + EFFECT_FLAG_OATH)
	e1:SetTargetRange(LOCATION_MZONE, 0)
	e1:SetTarget(s.atktg)
	e1:SetReset(RESET_PHASE + PHASE_END)
	Duel.RegisterEffect(e1, tp)
end
function s.atktg(e, c)
	return not c:IsSetCard(SETCARD_ID_0)
end
function s.cfilter(c, e, tp)
	local lv = c:GetLevel()
	return lv > 0 and (c:IsControler(tp) or c:IsFaceup()) and Duel.GetMZoneCount(tp, c) > 0 and Duel.IsExistingMatchingCard(s.spfilter, tp, LOCATION_HAND + LOCATION_DECK, 0, 1, nil, lv, e, tp)
end
function s.spfilter(c, lv, e, tp)
	return c:IsLevel(lv + 1, lv - 1) and c:IsSetCard(SETCARD_ID_0) 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
		if e:GetLabel() ~= 100 then
			return false
		end
		e:SetLabel(0)
		return Duel.CheckReleaseGroup(tp, s.cfilter, 1, nil, e, tp)
	end
	local g = Duel.SelectReleaseGroup(tp, s.cfilter, 1, 1, nil, e, tp)
	e:SetLabel(g:GetFirst():GetLevel())
	Duel.Release(g, REASON_COST)
	Duel.SetOperationInfo(0, CATEGORY_SPECIAL_SUMMON, nil, 1, tp, LOCATION_HAND + LOCATION_DECK)
end
function s.activate(e, tp, eg, ep, ev, re, r, rp)
	if Duel.GetLocationCount(tp, LOCATION_MZONE) <= 0 then
		return
	end
	local lv = e:GetLabel()
	Duel.Hint(HINT_SELECTMSG, tp, HINTMSG_SPSUMMON)
	local g = Duel.SelectMatchingCard(tp, s.spfilter, tp, LOCATION_HAND + LOCATION_DECK, 0, 1, 1, nil, lv, e, tp)
	if g:GetCount() > 0 then
		Duel.SpecialSummon(g, 0, tp, tp, false, false, POS_FACEUP)
	end
end


Rookie
Tribute 1 monster; Special Summon 1 monster "Fur Hire" from your hand or Deck, whose Level is 1 higher or 1 lower than the Tributed monster had on the field. You cannot declare attacks the turn you activate this card, except with monsters "Fur Hire". You can only activate 1 "Rookie Fur Hire" per turn.
-- Rookie
local SETCARD_ID_0 = 0x114 --Fur
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:SetLabel(0)
	e1:SetCountLimit(1, id + EFFECT_COUNT_CODE_OATH)
	e1:SetCost(s.cost)
	e1:SetTarget(s.target)
	e1:SetOperation(s.activate)
	c:RegisterEffect(e1)
	Duel.AddCustomActivityCounter(id, ACTIVITY_ATTACK, s.counterfilter)
end
function s.counterfilter(c)
	return c:IsSetCard(SETCARD_ID_0)
end
function s.cost(e, tp, eg, ep, ev, re, r, rp, chk)
	e:SetLabel(100)
	if chk == 0 then
		return Duel.GetCustomActivityCount(id, tp, ACTIVITY_ATTACK) == 0
	end
	local e1 = Effect.CreateEffect(e:GetHandler())
	e1:SetType(EFFECT_TYPE_FIELD)
	e1:SetCode(EFFECT_CANNOT_ATTACK_ANNOUNCE)
	e1:SetProperty(EFFECT_FLAG_IGNORE_IMMUNE + EFFECT_FLAG_OATH)
	e1:SetTargetRange(LOCATION_MZONE, 0)
	e1:SetTarget(s.atktg)
	e1:SetReset(RESET_PHASE + PHASE_END)
	Duel.RegisterEffect(e1, tp)
end
function s.atktg(e, c)
	return not c:IsSetCard(SETCARD_ID_0)
end
function s.cfilter(c, e, tp)
	local lv = c:GetLevel()
	return lv > 0 and (c:IsControler(tp) or c:IsFaceup()) and Duel.GetMZoneCount(tp, c) > 0 and Duel.IsExistingMatchingCard(s.spfilter, tp, LOCATION_HAND + LOCATION_DECK, 0, 1, nil, lv, e, tp)
end
function s.spfilter(c, lv, e, tp)
	return c:IsLevel(lv + 1, lv - 1) and c:IsSetCard(SETCARD_ID_0) 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
		if e:GetLabel() ~= 100 then
			return false
		end
		e:SetLabel(0)
		return Duel.CheckReleaseGroup(tp, s.cfilter, 1, nil, e, tp)
	end
	local g = Duel.SelectReleaseGroup(tp, s.cfilter, 1, 1, nil, e, tp)
	e:SetLabel(g:GetFirst():GetLevel())
	Duel.Release(g, REASON_COST)
	Duel.SetOperationInfo(0, CATEGORY_SPECIAL_SUMMON, nil, 1, tp, LOCATION_HAND + LOCATION_DECK)
end
function s.activate(e, tp, eg, ep, ev, re, r, rp)
	if Duel.GetLocationCount(tp, LOCATION_MZONE) <= 0 then
		return
	end
	local lv = e:GetLabel()
	Duel.Hint(HINT_SELECTMSG, tp, HINTMSG_SPSUMMON)
	local g = Duel.SelectMatchingCard(tp, s.spfilter, tp, LOCATION_HAND + LOCATION_DECK, 0, 1, 1, nil, lv, e, tp)
	if g:GetCount() > 0 then
		Duel.SpecialSummon(g, 0, tp, tp, false, false, POS_FACEUP)
	end
end

