--Automate ID
local s,id=GetID()
function s.initial_effect(c)
	--Activate
	local e1=Effect.CreateEffect(c)
	e1:SetCategory(CATEGORY_SPECIAL_SUMMON)
	e1:SetType(EFFECT_TYPE_ACTIVATE)
	e1:SetCode(EVENT_FREE_CHAIN)
	e1:SetProperty(EFFECT_FLAG_CARD_TARGET)
	e1:SetHintTiming(TIMING_DESTROY)
	e1:SetTarget(s.target)
	e1:SetOperation(s.activate)
	e1:SetCountLimit(1,id+EFFECT_COUNT_CODE_OATH)
	c:RegisterEffect(e1)
	local e2=Effect.CreateEffect(c)
	e2:SetType(EFFECT_TYPE_SINGLE+EFFECT_TYPE_TRIGGER_O)
	e2:SetCode(EVENT_CUSTOM+id)
	e2:SetRange(LOCATION_GRAVE+LOCATION_REMOVED)
	e2:SetProperty(EFFECT_FLAG_DELAY)
	e2:SetTarget(s.attarget)
	e2:SetOperation(s.operation)
	c:RegisterEffect(e2)
	local e2=Effect.CreateEffect(c)
	e2:SetDescription(aux.Stringid(45950291,0))
	e2:SetCategory(CATEGORY_TOHAND)
	e2:SetType(EFFECT_TYPE_FIELD+EFFECT_TYPE_TRIGGER_O)
	e2:SetCode(EVENT_PREDRAW)
	e2:SetRange(LOCATION_GRAVE)
	e2:SetCondition(s.thcon)
	e2:SetTarget(s.thtg)
	e2:SetOperation(s.thop)
	c:RegisterEffect(e2)
end
function s.filter1(c,e,tp)
	return c:IsAttribute(ATTRIBUTE_WATER) and c:IsType(TYPE_XYZ)
		and c:IsCanBeSpecialSummoned(e,0,tp,false,false)
		and Duel.IsExistingMatchingCard(s.filter2,tp,LOCATION_EXTRA,0,1,nil,e,tp,c,c:GetRank()+1)
end
function s.filter2(c,e,tp,mc,rk)
	if c:GetOriginalCode()==6165656 then return false end
	return c:IsAttribute(ATTRIBUTE_WATER) and c:IsRank(rk) and mc:IsCanBeXyzMaterial(c)
		and c:IsCanBeSpecialSummoned(e,SUMMON_TYPE_XYZ,tp,false,false)
end
function s.target(e,tp,eg,ep,ev,re,r,rp,chk,chkc)
	if chkc then return chkc:IsControler(tp) and chkc:IsLocation(LOCATION_GRAVE) and s.filter1(chkc,e,tp) end
	if chk==0 then return Duel.IsPlayerCanSpecialSummonCount(tp,2)
		and Duel.GetLocationCount(tp,LOCATION_MZONE)>0
		and Duel.GetLocationCountFromEx(tp)>0
		and aux.MustMaterialCheck(nil,tp,EFFECT_MUST_BE_XMATERIAL)
		and Duel.IsExistingTarget(s.filter1,tp,LOCATION_GRAVE,0,1,nil,e,tp) end
	Duel.Hint(HINT_SELECTMSG,tp,HINTMSG_SPSUMMON)
	local g=Duel.SelectTarget(tp,s.filter1,tp,LOCATION_GRAVE,0,1,1,nil,e,tp)
	Duel.SetOperationInfo(0,CATEGORY_SPECIAL_SUMMON,g,2,tp,LOCATION_EXTRA)
	if Duel.GetLP(tp)>Duel.GetLP(1-tp) then e:SetLabel(1) end
end
function s.activate(e,tp,eg,ep,ev,re,r,rp)
	if Duel.GetLocationCount(tp,LOCATION_MZONE)<=0 then return end
	local tc=Duel.GetFirstTarget()
	if not tc:IsRelateToEffect(e) or tc:IsImmuneToEffect(e) then return end
	if Duel.SpecialSummon(tc,0,tp,tp,false,false,POS_FACEUP)==0 then return end
	if Duel.GetLocationCountFromEx(tp,tp,tc)<=0 or not aux.MustMaterialCheck(tc,tp,EFFECT_MUST_BE_XMATERIAL) then return end
	Duel.Hint(HINT_SELECTMSG,tp,HINTMSG_SPSUMMON)
	local g=Duel.SelectMatchingCard(tp,s.filter2,tp,LOCATION_EXTRA,0,1,1,nil,e,tp,tc,tc:GetRank()+1)
	local sc=g:GetFirst()
	if sc then
		Duel.BreakEffect()
		sc:SetMaterial(Group.FromCards(tc))
		Duel.Overlay(sc,Group.FromCards(tc))
		Duel.SpecialSummon(sc,SUMMON_TYPE_XYZ,tp,tp,false,false,POS_FACEUP)
		sc:CompleteProcedure()
		e:SetLabelObject(sc)
		if e:GetLabel()==1 then Duel.RaiseSingleEvent(e:GetHandler(),EVENT_CUSTOM+id,e,0,0,0,0) end
	end
end
function s.attarget(e,tp,eg,ep,ev,re,r,rp,chk,chkc)
	if chk==0 then
		local tc=re:GetLabelObject()
		return tc and tc:IsLocation(LOCATION_MZONE)
	end
	if e:GetHandler():IsLocation(LOCATION_GRAVE) then
		Duel.SetOperationInfo(0,CATEGORY_LEAVE_GRAVE,e:GetHandler(),1,0,0)
	end
end
function s.operation(e,tp,eg,ep,ev,re,r,rp)
	local c=e:GetHandler()
	local tc=re:GetLabelObject()
	if tc:IsFaceup() and not tc:IsImmuneToEffect(e) then
		Duel.Overlay(tc,Group.FromCards(c))
	end
end
function s.thcon(e,tp,eg,ep,ev,re,r,rp)
	return tp==Duel.GetTurnPlayer() and Duel.GetFieldGroupCount(tp,LOCATION_DECK,0)>0
		and Duel.GetDrawCount(tp)>0
end
function s.thtg(e,tp,eg,ep,ev,re,r,rp,chk)
	if chk==0 then return e:GetHandler():IsAbleToHand() end
	local dt=Duel.GetDrawCount(tp)
	if dt~=0 then
		_replace_count=0
		_replace_max=dt
		local e1=Effect.CreateEffect(e:GetHandler())
		e1:SetType(EFFECT_TYPE_FIELD)
		e1:SetProperty(EFFECT_FLAG_PLAYER_TARGET)
		e1:SetCode(EFFECT_DRAW_COUNT)
		e1:SetTargetRange(1,0)
		e1:SetReset(RESET_PHASE+PHASE_DRAW)
		e1:SetValue(0)
		Duel.RegisterEffect(e1,tp)
	end
	Duel.SetOperationInfo(0,CATEGORY_TOHAND,e:GetHandler(),1,0,0)
end
function s.thop(e,tp,eg,ep,ev,re,r,rp)
	local c=e:GetHandler()
	_replace_count=_replace_count+1
	if _replace_count<=_replace_max and c:IsRelateToEffect(e) then
		Duel.SendtoHand(c,nil,REASON_EFFECT)
		Duel.BreakEffect()
		local e1=Effect.CreateEffect(c)
		e1:SetType(EFFECT_TYPE_SINGLE)
		e1:SetCode(EFFECT_PUBLIC)
		e1:SetReset(RESET_EVENT+0x1fe0000+RESET_PHASE+PHASE_END)
		c:RegisterEffect(e1)
	end
end