Level
If this card is in your Graveyard: You can target 1 Level 5 or higher monster you control; reduce its Level by 1, and if you do, Special Summon this card. This face-up card on the field cannot be Tributed, except for a Tribute Summon.
local s, id, o = GetID()
function s.initial_effect(c)
	--spsummon
	local e1 = Effect.CreateEffect(c)
	e1:SetDescription(aux.Stringid(id, 0))
	e1:SetCategory(CATEGORY_SPECIAL_SUMMON)
	e1:SetProperty(EFFECT_FLAG_CARD_TARGET)
	e1:SetType(EFFECT_TYPE_IGNITION)
	e1:SetRange(LOCATION_GRAVE)
	e1:SetTarget(s.target)
	e1:SetOperation(s.operation)
	c:RegisterEffect(e1)
	--unreleaseable nonsum
	local e2 = Effect.CreateEffect(c)
	e2:SetType(EFFECT_TYPE_SINGLE)
	e2:SetProperty(EFFECT_FLAG_SINGLE_RANGE)
	e2:SetRange(LOCATION_MZONE)
	e2:SetCode(EFFECT_UNRELEASABLE_NONSUM)
	e2:SetValue(1)
	c:RegisterEffect(e2)
end
function s.filter(c)
	return c:IsFaceup() and c:IsLevelAbove(5)
end
function s.target(e, tp, eg, ep, ev, re, r, rp, chk, chkc)
	if chkc then
		return chkc:IsLocation(LOCATION_MZONE) and chkc:IsControler(tp) and s.filter(chkc)
	end
	local c = e:GetHandler()
	if chk == 0 then
		return Duel.IsExistingTarget(s.filter, tp, LOCATION_MZONE, 0, 1, nil) and Duel.GetLocationCount(tp, LOCATION_MZONE) > 0 and c:IsCanBeSpecialSummoned(e, 0, tp, false, false)
	end
	Duel.Hint(HINT_SELECTMSG, tp, aux.Stringid(id, 1))
	Duel.SelectTarget(tp, s.filter, tp, LOCATION_MZONE, 0, 1, 1, nil)
	Duel.SetOperationInfo(0, CATEGORY_SPECIAL_SUMMON, c, 1, 0, 0)
end
function s.operation(e, tp, eg, ep, ev, re, r, rp)
	local tc = Duel.GetFirstTarget()
	if tc:IsFacedown() or not tc:IsRelateToEffect(e) or tc:IsImmuneToEffect(e) or tc:GetLevel() < 2 then
		return
	end
	local c = e:GetHandler()
	local e1 = Effect.CreateEffect(c)
	e1:SetType(EFFECT_TYPE_SINGLE)
	e1:SetCode(EFFECT_UPDATE_LEVEL)
	e1:SetReset(RESET_EVENT + RESETS_STANDARD)
	e1:SetValue(-1)
	tc:RegisterEffect(e1)
	if c:IsRelateToEffect(e) then
		Duel.SpecialSummon(c, 0, tp, tp, false, false, POS_FACEUP)
	end
end


Level
If this card is in your Graveyard: You can target 1 Level 5 or higher monster you control; reduce its Level by 1, and if you do, Special Summon this card. This face-up card on the field cannot be Tributed, except for a Tribute Summon.
-- Level
local s, id, o = GetID()
function s.initial_effect(c)
	--spsummon
	local e1 = Effect.CreateEffect(c)
	e1:SetDescription(aux.Stringid(id, 0))
	e1:SetCategory(CATEGORY_SPECIAL_SUMMON)
	e1:SetProperty(EFFECT_FLAG_CARD_TARGET)
	e1:SetType(EFFECT_TYPE_IGNITION)
	e1:SetRange(LOCATION_GRAVE)
	e1:SetTarget(s.target)
	e1:SetOperation(s.operation)
	c:RegisterEffect(e1)
	--unreleaseable nonsum
	local e2 = Effect.CreateEffect(c)
	e2:SetType(EFFECT_TYPE_SINGLE)
	e2:SetProperty(EFFECT_FLAG_SINGLE_RANGE)
	e2:SetRange(LOCATION_MZONE)
	e2:SetCode(EFFECT_UNRELEASABLE_NONSUM)
	e2:SetValue(1)
	c:RegisterEffect(e2)
end
function s.filter(c)
	return c:IsFaceup() and c:IsLevelAbove(5)
end
function s.target(e, tp, eg, ep, ev, re, r, rp, chk, chkc)
	if chkc then
		return chkc:IsLocation(LOCATION_MZONE) and chkc:IsControler(tp) and s.filter(chkc)
	end
	local c = e:GetHandler()
	if chk == 0 then
		return Duel.IsExistingTarget(s.filter, tp, LOCATION_MZONE, 0, 1, nil) and Duel.GetLocationCount(tp, LOCATION_MZONE) > 0 and c:IsCanBeSpecialSummoned(e, 0, tp, false, false)
	end
	Duel.Hint(HINT_SELECTMSG, tp, aux.Stringid(id, 1))
	Duel.SelectTarget(tp, s.filter, tp, LOCATION_MZONE, 0, 1, 1, nil)
	Duel.SetOperationInfo(0, CATEGORY_SPECIAL_SUMMON, c, 1, 0, 0)
end
function s.operation(e, tp, eg, ep, ev, re, r, rp)
	local tc = Duel.GetFirstTarget()
	if tc:IsFacedown() or not tc:IsRelateToEffect(e) or tc:IsImmuneToEffect(e) or tc:GetLevel() < 2 then
		return
	end
	local c = e:GetHandler()
	local e1 = Effect.CreateEffect(c)
	e1:SetType(EFFECT_TYPE_SINGLE)
	e1:SetCode(EFFECT_UPDATE_LEVEL)
	e1:SetReset(RESET_EVENT + RESETS_STANDARD)
	e1:SetValue(-1)
	tc:RegisterEffect(e1)
	if c:IsRelateToEffect(e) then
		Duel.SpecialSummon(c, 0, tp, tp, false, false, POS_FACEUP)
	end
end

