Magia criativa

Here is a possible code for your request:

```lua
-- edopro card script for a spell card with an effect
local s,id,o=GetID()
function s.initial_effect(c)
    -- activate only if opponent controls no "titan" monsters
    local e1=Effect.CreateEffect(c)
    e1:SetType(EFFECT_TYPE_ACTIVATE)
    e1:SetCode(EVENT_FREE_CHAIN)
    e1:SetCondition(s.condition)
    e1:SetTarget(s.target)
    e1:SetOperation(s.activate)
    c:RegisterEffect(e1)
end
s.listed_names={o}
s.listed_series={0x123} -- change this to the setcode of "lightning" cards
function s.condition(e,tp,eg,ep,ev,re,r,rp)
    return not Duel.IsExistingMatchingCard(aux.FilterFaceupFunction(Card.IsSetCard,0x456),tp,0,LOCATION_MZONE,1,nil) -- change this to the setcode of "titan" monsters
end
function s.filter(c)
    return c:IsSetCard(0x123) and c:IsAbleToHand() -- change this to the setcode of "lightning" cards
end
function s.target(e,tp,eg,ep,ev,re,r,rp,chk)
    if chk==0 then return Duel.IsExistingMatchingCard(s.filter,tp,LOCATION_DECK,0,1,nil) end
    Duel.SetOperationInfo(0,CATEGORY_TOHAND,nil,1,tp,LOCATION_DECK)
end
function s.activate(e,tp,eg,ep,ev,re,r,rp)
    -- add 1 "lightning" card from deck to hand
    Duel.Hint(HINT_SELECTMSG,tp,HINTMSG_ATOHAND)
    local g=Duel.SelectMatchingCard(tp,s.filter,tp,LOCATION_DECK,0,1,1,nil)
    if #g>0 and Duel.SendtoHand(g,nil,REASON_EFFECT)>0 then
        Duel.ConfirmCards(1-tp,g)
        -- banish 1 facedown card your opponent controls if you added "lightning-Maria"
        local tc=g:GetFirst()
        if tc:IsCode(o) and Duel.IsExistingMatchingCard(Card.IsFacedown,tp,0,LOCATION_ONFIELD,1,nil) and Duel.SelectYesNo(tp,aux.Stringid(id,0)) then -- change this to the text for asking to banish a facedown card
            Duel.BreakEffect()
            Duel.Hint(HINT_SELECTMSG,tp,HINTMSG_REMOVE)
            local sg=Duel.SelectMatchingCard(tp,Card.IsFacedown,tp,0,LOCATION_ONFIELD,1,1,nil)
            Duel.Remove(sg,POS_FACEUP,REASON_EFFECT)
        end
    end
end

```