--神の見えざる手
local s,id,o=GetID()
function s.initial_effect(c)
	--Activate
	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:SetCountLimit(1,id)
	e1:SetCost(s.cost)
	e1:SetTarget(s.target)
	e1:SetOperation(s.activate)
	c:RegisterEffect(e1)
	--draw
	local e2=Effect.CreateEffect(c)
	e2:SetDescription(aux.Stringid(id,1))
	e2:SetCategory(CATEGORY_DRAW)
	e2:SetType(EFFECT_TYPE_IGNITION)
	e2:SetRange(LOCATION_GRAVE)
	e2:SetCountLimit(1,id+o)
	e2:SetCost(aux.bfgcost)
	e2:SetTarget(s.drtg)
	e2:SetOperation(s.drop)
	c:RegisterEffect(e2)
end
function s.tgfilter(c)
	return c:IsAbleToGraveAsCost()
end
function s.cost(e,tp,eg,ep,ev,re,r,rp,chk)
	if chk==0 then return true end
	if Duel.IsExistingMatchingCard(s.tgfilter,tp,LOCATION_ONFIELD,0,1,nil)
		and Duel.SelectYesNo(tp,aux.Stringid(id,2)) then
		Duel.Hint(HINT_SELECTMSG,tp,HINTMSG_TOGRAVE)
		local g=Duel.SelectMatchingCard(tp,s.tgfilter,tp,LOCATION_ONFIELD,0,1,1,nil)
		Duel.SendtoGrave(g,REASON_COST)
		e:SetLabel(1)
	else
		e:SetLabel(0)
	end
end
function s.thfilter(c)
	return c:IsSetCard(0x2d4) and c:IsType(TYPE_MONSTER) 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.setfilter(c,tp)
	return not c:IsCode(id) and c:IsSetCard(0x2d4)
		and c:IsType(TYPE_SPELL+TYPE_TRAP) and c:IsSSetable()
		and (Duel.GetLocationCount(tp,LOCATION_SZONE)>0 or c:IsType(TYPE_FIELD))
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:GetCount()>0 then
		Duel.SendtoHand(g,nil,REASON_EFFECT)
		Duel.ConfirmCards(1-tp,g)
		if e:GetLabel()==1
			and Duel.IsExistingMatchingCard(s.setfilter,tp,LOCATION_DECK,0,1,nil,tp)
			and Duel.SelectYesNo(tp,aux.Stringid(id,3)) then
			Duel.Hint(HINT_SELECTMSG,tp,HINTMSG_SET)
			local sg=Duel.SelectMatchingCard(tp,s.setfilter,tp,LOCATION_DECK,0,1,1,nil,tp)
			local tc=sg:GetFirst()
			if tc then
				Duel.BreakEffect()
				Duel.SSet(tp,tc)
			end
		end
	end
end
function s.drtg(e,tp,eg,ep,ev,re,r,rp,chk)
	if chk==0 then return Duel.IsPlayerCanDraw(1-tp,1) end
	Duel.SetOperationInfo(0,CATEGORY_HANDES,nil,0,1-tp,1)
	Duel.SetOperationInfo(0,CATEGORY_DRAW,nil,0,1-tp,1)
end
function s.drop(e,tp,eg,ep,ev,re,r,rp)
	if Duel.Draw(1-tp,1,REASON_EFFECT)>0 then
		Duel.BreakEffect()
		Duel.ShuffleHand(1-tp)
		Duel.DiscardHand(1-tp,aux.TRUE,1,1,REASON_EFFECT+REASON_DISCARD)
	end
end