--created & coded by Lyris, art taken by Casey Horner of Unsplash
--アーマリン灯台
local s,id,o=GetID()
function s.initial_effect(c)
	c:SetUniqueOnField(1,0,id)
	local e0=Effect.CreateEffect(c)
	e0:SetType(EFFECT_TYPE_ACTIVATE)
	e0:SetCode(EVENT_FREE_CHAIN)
	e0:SetCountLimit(1,id+EFFECT_COUNT_CODE_OATH)
	e0:SetCategory(CATEGORY_SEARCH+CATEGORY_TOHAND)
	e0:SetTarget(s.target)
	e0:SetOperation(s.activate)
	c:RegisterEffect(e0)
	local e2=Effect.CreateEffect(c)
	e2:SetType(EFFECT_TYPE_FIELD+EFFECT_TYPE_TRIGGER_F)
	e2:SetCode(EVENT_ATTACK_ANNOUNCE)
	e2:SetRange(LOCATION_SZONE)
	e2:SetCategory(CATEGORY_SEARCH+CATEGORY_TOHAND)
	e2:SetCondition(s.thcon)
	e2:SetTarget(s.thtg)
	e2:SetOperation(s.thop)
	c:RegisterEffect(e2)
end
function s.cfilter(c)
	return c:IsType(TYPE_MONSTER) and c:IsSetCard(0xa6c) and c:IsAbleToHand()
end
function s.target(e,tp,eg,ep,ev,re,r,rp,chk)
	if chk==0 then return Duel.IsExistingMatchingCard(s.cfilter,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)
	if not e:GetHandler():IsRelateToEffect(e) then return end
	Duel.Hint(HINT_SELECTMSG,tp,HINTMSG_ATOHAND)
	local g=Duel.SelectMatchingCard(tp,s.cfilter,tp,LOCATION_DECK,0,1,1,nil)
	Duel.SendtoHand(g,nil,REASON_EFFECT)
	Duel.ConfirmCards(1-tp,g)
end
function s.thcon(e,tp,eg,ep,ev,re,r,rp)
	local a=Duel.GetAttacker()
	if a:IsControler(1-tp) then a=Duel.GetAttackTarget() end
	return a and a:IsSetCard(0xa6c)
end
function s.thtg(e,tp,eg,ep,ev,re,r,rp,chk)
	if chk==0 then return true end
	Duel.SetOperationInfo(0,CATEGORY_TOHAND,nil,1,tp,LOCATION_DECK)
end
function s.thop(e,tp,eg,ep,ev,re,r,rp)
	local c=e:GetHandler()
	local a=Duel.GetAttacker()
	if a:IsControler(1-tp) then a=Duel.GetAttackTarget() end
	if not c:IsRelateToEffect(e) or not a:IsRelateToBattle() then return end
	Duel.Hint(HINT_SELECTMSG,tp,HINTMSG_ATOHAND)
	local g=Duel.SelectMatchingCard(tp,aux.AND(s.cfilter,aux.NOT(Card.IsCode)),tp,LOCATION_DECK,0,1,1,nil,a:GetCode())
	if Duel.SendtoHand(g,nil,REASON_EFFECT)==0 then return end
	Duel.ConfirmCards(1-tp,g)
	local e1=Effect.CreateEffect(c)
	e1:SetType(EFFECT_TYPE_FIELD)
	e1:SetProperty(EFFECT_FLAG_PLAYER_TARGET)
	e1:SetCode(EFFECT_CANNOT_TO_HAND)
	e1:SetTargetRange(1,0)
	e1:SetTarget(s.thlimit)
	e1:SetLabel(g:GetFirst():GetCode())
	e1:SetReset(RESET_PHASE+PHASE_END)
	Duel.RegisterEffect(e1,tp)
end
function s.thlimit(e,c,tp,re)
	return c:IsCode(e:GetLabel()) and re and re:GetHandler():IsCode(id)
end