Generate a YGOPro Lua script for the following Yu-Gi-Oh card effect:
Add 1 "Gishki" monster from your Deck to your hand. During the End Phase, if you control a WATER Ritual Monster: You can banish this card from your GY; Set 1 "Aquamirror" Spell/Trap directly from your Deck or GY, except "Focused Aquamirror". You can only use this effect of "Focused Aquamirror" once per turn.
--儀水鏡の集光
--Focused Aquamirror
--scripted by Naim
local s,id=GetID()
function s.initial_effect(c)
	--Add 1 "Gishki" monster to the hand
	local e1=Effect.CreateEffect(c)
	e1:SetDescription(aux.Stringid(id,0))
	e1:SetCategory(CATEGORY_TOHAND+CATEGORY_SEARCH)
	e1:SetType(EFFECT_TYPE_ACTIVATE)
	e1:SetCode(EVENT_FREE_CHAIN)
	e1:SetTarget(s.target)
	e1:SetOperation(s.activate)
	c:RegisterEffect(e1)
	--Set 1 "Aquamirror" Spell/Trap during the End Phase
	local e2=Effect.CreateEffect(c)
	e2:SetDescription(aux.Stringid(id,1))
	e2:SetType(EFFECT_TYPE_FIELD+EFFECT_TYPE_TRIGGER_O)
	e2:SetCode(EVENT_PHASE+PHASE_END)
	e2:SetRange(LOCATION_GRAVE)
	e2:SetCountLimit(1,id)
	e2:SetCondition(s.setcon)
	e2:SetCost(Cost.SelfBanish)
	e2:SetTarget(s.settg)
	e2:SetOperation(s.setop)
	c:RegisterEffect(e2)
end
s.listed_series={SET_GISHKI,SET_AQUAMIRROR}
s.listed_names={id}
function s.thfilter(c)
	return c:IsSetCard(SET_GISHKI) and c:IsMonster() and c:IsAbleToHand()
end
function s.target(e,tp,eg,ep,ev,re,r,rp,chk)
	if chk==0 then return Duel.IsExistingMatchingCard(s.thfilter,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)
	Duel.Hint(HINT_SELECTMSG,tp,HINTMSG_ATOHAND)
	local g=Duel.SelectMatchingCard(tp,s.thfilter,tp,LOCATION_DECK,0,1,1,nil)
	if #g>0 then
		Duel.SendtoHand(g,nil,REASON_EFFECT)
		Duel.ConfirmCards(1-tp,g)
	end
end
function s.cfilter(c)
	return c:IsRitualMonster() and c:IsAttribute(ATTRIBUTE_WATER) and c:IsFaceup()
end
function s.setcon(e,tp,eg,ep,ev,re,r,rp)
	return Duel.IsExistingMatchingCard(s.cfilter,tp,LOCATION_MZONE,0,1,nil)
end
function s.setfilter(c)
	return c:IsSpellTrap() and c:IsSetCard(SET_AQUAMIRROR) and c:IsSSetable() and not c:IsCode(id)
end
function s.settg(e,tp,eg,ep,ev,re,r,rp,chk)
	if chk==0 then return Duel.IsExistingMatchingCard(s.setfilter,tp,LOCATION_DECK|LOCATION_GRAVE,0,1,e:GetHandler()) end
end
function s.setop(e,tp,eg,ep,ev,re,r,rp)
	if Duel.GetLocationCount(tp,LOCATION_SZONE)==0 then return end
	Duel.Hint(HINT_SELECTMSG,tp,HINTMSG_SET)
	local g=Duel.SelectMatchingCard(tp,aux.NecroValleyFilter(s.setfilter),tp,LOCATION_DECK|LOCATION_GRAVE,0,1,1,nil)
	if #g>0 then
		Duel.SSet(tp,g)
	end
end