--Overlay Undine
--Automate ID
local s,id=GetID()
function s.initial_effect(c)
	--spsummon
	local e1=Effect.CreateEffect(c)
	e1:Desc(0)
	e1:SetCategory(CATEGORY_SPECIAL_SUMMON)
	e1:SetType(EFFECT_TYPE_SINGLE|EFFECT_TYPE_TRIGGER_O)
	e1:SetProperty(EFFECT_FLAG_DELAY)
	e1:SetCode(EVENT_SUMMON_SUCCESS)
	e1:SetTarget(s.sptg)
	e1:SetOperation(s.spop)
	c:RegisterEffect(e1)
	--material
	local e2=Effect.CreateEffect(c)
	e2:Desc(1)
	e2:SetType(EFFECT_TYPE_IGNITION)
	e2:SetProperty(EFFECT_FLAG_CARD_TARGET)
	e2:SetRange(LOCATION_MZONE)
	e2:SetTarget(s.mattg)
	e2:SetOperation(s.matop)
	c:RegisterEffect(e2)
end
function s.filter(c,e,tp)
	return c:IsLevel(1) and not c:IsType(TYPE_TUNER) and c:IsCanBeSpecialSummoned(e,0,tp,false,false)
end
function s.sptg(e,tp,eg,ep,ev,re,r,rp,chk)
	if chk==0 then return Duel.GetLocationCount(tp,LOCATION_MZONE)>0
		and Duel.IsExistingMatchingCard(s.filter,tp,LOCATION_DECK,0,1,nil,e,tp) end
	Duel.SetOperationInfo(0,CATEGORY_SPECIAL_SUMMON,nil,1,tp,LOCATION_DECK)
end
function s.spop(e,tp,eg,ep,ev,re,r,rp)
	if Duel.GetLocationCount(tp,LOCATION_MZONE)>0 then
		Duel.Hint(HINT_SELECTMSG,tp,HINTMSG_SPSUMMON)
		local g=Duel.SelectMatchingCard(tp,s.filter,tp,LOCATION_DECK,0,1,1,nil,e,tp)
		if g:GetCount()>0 then
			Duel.SpecialSummon(g,0,tp,tp,false,false,POS_FACEUP)
		end
	end
	local c=e:GetHandler()
	local e1=Effect.CreateEffect(c)
	e1:SetType(EFFECT_TYPE_FIELD|EFFECT_TYPE_CONTINUOUS)
	e1:SetCode(EVENT_SPSUMMON_SUCCESS)
	e1:SetCondition(s.sprescon)
	e1:SetOperation(s.spresop)
	e1:SetReset(RESET_PHASE|PHASE_END)
	Duel.RegisterEffect(e1,tp)
	Duel.RegisterHint(tp,id,PHASE_END,1,id,2)
	local e2=Effect.CreateEffect(c)
	e2:SetType(EFFECT_TYPE_FIELD)
	e2:SetProperty(EFFECT_FLAG_PLAYER_TARGET)
	e2:SetCode(EFFECT_SET_SPSUMMON_LIMIT)
	e2:SetTargetRange(1,0)
	e2:SetTarget(s.splimit)
	e2:SetValue(1)
	e2:SetReset(RESET_PHASE|PHASE_END)
	Duel.RegisterEffect(e2,tp)
end
function s.spresfil(c,tp)
	return c:GetSummonLocation()==LOCATION_EXTRA and c:IsPreviousControler(tp) and c:IsSummonPlayer(tp) and not c:IsType(TYPE_XYZ)
end
function s.sprescon(e,tp,eg,ep,ev,re,r,rp)
	return eg:IsExists(s.spresfil,1,nil,tp)
end
function s.spresop(e,tp,eg,ep,ev,re,r,rp)
	local e1=Effect.CreateEffect(e:GetOwner())
	e1:SetType(EFFECT_TYPE_FIELD)
	e1:SetProperty(EFFECT_FLAG_PLAYER_TARGET)
	e1:SetCode(EFFECT_CANNOT_SPECIAL_SUMMON)
	e1:SetReset(RESET_PHASE|PHASE_END)
	e1:SetTargetRange(1,0)
	e1:SetTarget(s.splimit)
	Duel.RegisterEffect(e1,tp)
end
function s.splimit(e,c,sump,sumtype,sumpos,targetp,se)
	return c:IsLocation(LOCATION_EXTRA) and c:IsControler(sump) and not c:IsType(TYPE_XYZ)
end

--E2
function s.matfilter(c)
	return c:IsFaceup() and c:IsType(TYPE_XYZ)
end
function s.mattg(e,tp,eg,ep,ev,re,r,rp,chk,chkc)
	if chkc then return chkc:IsLocation(LOCATION_MZONE) and chkc:IsControler(tp) and s.matfilter(chkc) end
	if chk==0 then return e:GetHandler():IsCanOverlay() and Duel.IsExistingTarget(s.matfilter,tp,LOCATION_MZONE,0,1,nil) end
	Duel.Hint(HINT_SELECTMSG,tp,HINTMSG_TARGET)
	Duel.SelectTarget(tp,s.matfilter,tp,LOCATION_MZONE,0,1,1,nil)
end
function s.matop(e,tp,eg,ep,ev,re,r,rp)
	local c=e:GetHandler()
	local tc=Duel.GetFirstTarget()
	if c:IsRelateToChain() and c:IsControler(tp) and tc:IsRelateToChain() and not tc:IsImmuneToEffect(e) then
		Duel.Attach(c,tc)
	end
end