--ゴルゴニック・ケルベロス
function c37168514.initial_effect(c)
	--summon success
	local e1=Effect.CreateEffect(c)
	e1:SetDescription(aux.Stringid(37168514,0))
	e1:SetType(EFFECT_TYPE_SINGLE+EFFECT_TYPE_TRIGGER_O)
	e1:SetCode(EVENT_SUMMON_SUCCESS)
	e1:SetTarget(c37168514.lvtg)
	e1:SetOperation(c37168514.lvop)
	c:RegisterEffect(e1)
end
function c37168514.filter(c)
	return c:IsFaceup() and c:IsRace(RACE_ROCK) and not c:IsLevel(3)
end
function c37168514.lvtg(e,tp,eg,ep,ev,re,r,rp,chk)
	if chk==0 then return Duel.IsExistingMatchingCard(c37168514.filter,tp,LOCATION_MZONE,0,1,nil) end
end
function c37168514.lvop(e,tp,eg,ep,ev,re,r,rp)
	local g=Duel.GetMatchingGroup(c37168514.filter,tp,LOCATION_MZONE,0,nil)
	local tc=g:GetFirst()
	while tc do
		local e1=Effect.CreateEffect(e:GetHandler())
		e1:SetType(EFFECT_TYPE_SINGLE)
		e1:SetCode(EFFECT_CHANGE_LEVEL)
		e1:SetValue(3)
		e1:SetReset(RESET_EVENT+RESETS_STANDARD)
		tc:RegisterEffect(e1)
		tc=g:GetNext()
	end
end
