Generate a YGOPro Lua script for the following Yu-Gi-Oh card effect:
All monsters you control gain 100 ATK/DEF for each "Dragonmaid" monster you control. If you control 2 or more "Dragonmaid" monsters: You can target 1 "Dragonmaid" card in your GY, except "Dragonmaid Welcome"; add it to your hand. You can only use this effect of "Dragonmaid Welcome" once per turn. If this card is sent to the GY: Your opponent cannot target "Dragonmaid" monsters you control with card effects this turn.
--オラゴンメイドのお出迎え
--Dragonmaid Welcome
--Scripted by Hel
local s,id=GetID()
function s.initial_effect(c)
	--Activate
	local e1=Effect.CreateEffect(c)
	e1:SetType(EFFECT_TYPE_ACTIVATE)
	e1:SetCode(EVENT_FREE_CHAIN)
	c:RegisterEffect(e1)
	--increase ATK
	local e2=Effect.CreateEffect(c)
	e2:SetType(EFFECT_TYPE_FIELD)
	e2:SetCode(EFFECT_UPDATE_ATTACK)
	e2:SetRange(LOCATION_SZONE)
	e2:SetTargetRange(LOCATION_MZONE,0)
	e2:SetValue(s.atkval)
	c:RegisterEffect(e2)
	--increase DEF
	local e3=e2:Clone()
	e3:SetCode(EFFECT_UPDATE_DEFENSE)
	c:RegisterEffect(e3)
	--to hand
	local e4=Effect.CreateEffect(c)
	e4:SetCategory(CATEGORY_TOHAND)
	e4:SetType(EFFECT_TYPE_IGNITION)
	e4:SetProperty(EFFECT_FLAG_CARD_TARGET)
	e4:SetRange(LOCATION_SZONE)
	e4:SetCountLimit(1,id)
	e4:SetCondition(s.thcon)
	e4:SetTarget(s.thtg)
	e4:SetOperation(s.thop)
	c:RegisterEffect(e4)
	--prevent target
	local e5=Effect.CreateEffect(c)
	e5:SetType(EFFECT_TYPE_SINGLE+EFFECT_TYPE_TRIGGER_F)
	e5:SetCode(EVENT_TO_GRAVE)
	e5:SetProperty(EFFECT_FLAG_DELAY)
	e5:SetOperation(s.ctop)
	c:RegisterEffect(e5)
end
s.listed_names={id}
s.listed_series={SET_DRAGONMAID}
function s.atkfilter(c)
	return c:IsFaceup() and c:IsSetCard(SET_DRAGONMAID) and c:IsMonster()
end
function s.atkval(e,c)
	local ct=Duel.GetMatchingGroupCount(s.atkfilter,e:GetHandlerPlayer(),LOCATION_MZONE,0,nil)
	if ct>0 then
		return ct*100
	else
		return 0
	end
end
function s.thcon(e,tp,eg,ep,ev,re,r,rp)
	return Duel.IsExistingMatchingCard(aux.FaceupFilter(Card.IsSetCard,SET_DRAGONMAID),tp,LOCATION_MZONE,0,2,nil)
end
function s.thfilter(c)
	return c:IsSetCard(SET_DRAGONMAID) and c:IsAbleToHand() and not c:IsCode(id)
end
function s.thtg(e,tp,eg,ep,ev,re,r,rp,chk,chkc)
	if chkc then return chkc:IsLocation(LOCATION_GRAVE) and chkc:IsControler(tp) and s.thfilter(chkc) end
	if chk==0 then return Duel.IsExistingTarget(s.thfilter,tp,LOCATION_GRAVE,0,1,nil) end
	Duel.Hint(HINT_SELECTMSG,tp,HINTMSG_ATOHAND)
	local g=Duel.SelectTarget(tp,s.thfilter,tp,LOCATION_GRAVE,0,1,1,nil)
	Duel.SetOperationInfo(0,CATEGORY_TOHAND,g,1,0,LOCATION_GRAVE)
end
function s.thop(e,tp,eg,ep,ev,re,r,rp)
	local tc=Duel.GetFirstTarget()
	if tc and tc:IsRelateToEffect(e) then
		Duel.SendtoHand(tc,nil,REASON_EFFECT)
	end
end
function s.ctop(e,tp,eg,ep,ev,re,r,rp)
	local c=e:GetHandler()
	--cannot be target
	local e1=Effect.CreateEffect(e:GetHandler())
	e1:SetDescription(aux.Stringid(id,1))
	e1:SetType(EFFECT_TYPE_FIELD)
	e1:SetProperty(EFFECT_FLAG_IGNORE_IMMUNE)
	e1:SetCode(EFFECT_CANNOT_BE_EFFECT_TARGET)
	e1:SetTargetRange(LOCATION_MZONE,0)
	e1:SetTarget(aux.TargetBoolFunction(Card.IsSetCard,SET_DRAGONMAID))
	e1:SetValue(aux.tgoval)
	e1:SetReset(RESET_PHASE|PHASE_END)
	Duel.RegisterEffect(e1,tp)
	aux.RegisterClientHint(e:GetHandler(),nil,tp,0,1,aux.Stringid(id,2),nil)
end