--星逢の天河
--Stars Align across the Milky Way
--scripted by pyrQ
local s,id=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:SetHintTiming(0,TIMINGS_CHECK_MONSTER_E)
	e1:SetCountLimit(1,id)
	e1:SetCost(s.cost)
	e1:SetTarget(s.target)
	e1:SetOperation(s.activate)
	c:RegisterEffect(e1)
	--Copy Ritual Spell effect
	local e2=Effect.CreateEffect(c)
	e2:SetDescription(aux.Stringid(id,1))
	e2:SetCategory(CATEGORY_SPECIAL_SUMMON)
	e2:SetType(EFFECT_TYPE_QUICK_O)
	e2:SetCode(EVENT_FREE_CHAIN)
	e2:SetRange(LOCATION_GRAVE)
	e2:SetHintTiming(0,TIMINGS_CHECK_MONSTER_E)
	e2:SetCountLimit(1,{id,1})
	e2:SetCost(Cost.SelfBanish)
	e2:SetTarget(s.cptg)
	e2:SetOperation(s.cpop)
	c:RegisterEffect(e2)
end
function s.cfilter(c,tp)
	return not c:IsPublic() and c:IsRitualMonster() and Duel.IsExistingMatchingCard(s.thfilter,tp,LOCATION_DECK,0,1,nil,c)
end
function s.thfilter(c,rc)
	return c:IsRitualMonster() and c:IsAbleToHand() and c:IsLevel(rc:GetLevel()) and not c:IsCode(rc:GetCode())
end
function s.cost(e,tp,eg,ep,ev,re,r,rp,chk)
	e:SetLabel(1)
	if chk==0 then return Duel.IsExistingMatchingCard(s.cfilter,tp,LOCATION_HAND,0,1,nil,tp) end
	Duel.Hint(HINT_SELECTMSG,tp,HINTMSG_CONFIRM)
	local g=Duel.SelectMatchingCard(tp,s.cfilter,tp,LOCATION_HAND,0,1,1,nil,tp)
	Duel.ConfirmCards(1-tp,g)
	Duel.ShuffleHand(tp)
	Duel.SetTargetCard(g)
end
function s.target(e,tp,eg,ep,ev,re,r,rp,chk)
	if chk==0 then
		local res=e:GetLabel()~=0
		e:SetLabel(0)
		return res
	end
	Duel.SetOperationInfo(0,CATEGORY_TOHAND,nil,1,tp,LOCATION_DECK)
end
function s.activate(e,tp,eg,ep,ev,re,r,rp)
	local rc=Duel.GetFirstTarget()
	if not rc:IsRelateToEffect(e) then return end
	Duel.Hint(HINT_SELECTMSG,tp,HINTMSG_ATOHAND)
	local g=Duel.SelectMatchingCard(tp,s.thfilter,tp,LOCATION_DECK,0,1,1,nil,rc)
	if #g>0 then
		Duel.SendtoHand(g,nil,REASON_EFFECT)
		Duel.ConfirmCards(1-tp,g)
	end
end
function s.cpfilter(c)
	return c:IsRitualSpell() and c:IsAbleToGraveAsCost() and c:CheckActivateEffect(true,true,false)~=nil
end
function s.cptg(e,tp,eg,ep,ev,re,r,rp,chk,chkc)
	if chkc then
		local te=e:GetLabelObject()
		local tg=te:GetTarget()
		return tg(e,tp,eg,ep,ev,re,r,rp,0,chkc)
	end
	if chk==0 then return Duel.IsExistingMatchingCard(s.cpfilter,tp,LOCATION_HAND,0,1,nil) end
	Duel.Hint(HINT_SELECTMSG,tp,HINTMSG_REMOVE)
	local g=Duel.SelectMatchingCard(tp,s.cpfilter,tp,LOCATION_HAND,0,1,1,nil)
	local te=g:GetFirst():CheckActivateEffect(true,true,false)
	e:SetLabelObject(te)
	Duel.SendtoGrave(g,REASON_COST)
	e:SetProperty(te:GetProperty())
	local tg=te:GetTarget()
	if tg then tg(e,tp,eg,ep,ev,re,r,rp,1) end
	Duel.ClearOperationInfo(0)
end
function s.cpop(e,tp,eg,ep,ev,re,r,rp)
	local te=e:GetLabelObject()
	if not te then return end
	local op=te:GetOperation()
	if op then op(e,tp,eg,ep,ev,re,r,rp) end
end