--古神クトグア
function c12948099.initial_effect(c)
	--synchro summon
	aux.AddSynchroProcedure(c,nil,aux.NonTuner(nil),1)
	c:EnableReviveLimit()
	--special summon
	local e1=Effect.CreateEffect(c)
	e1:SetDescription(aux.Stringid(12948099,0))
	e1:SetCategory(CATEGORY_TOEXTRA)
	e1:SetType(EFFECT_TYPE_SINGLE+EFFECT_TYPE_TRIGGER_O)
	e1:SetProperty(EFFECT_FLAG_DELAY)
	e1:SetCode(EVENT_SPSUMMON_SUCCESS)
	e1:SetCondition(c12948099.tdcon)
	e1:SetTarget(c12948099.tdtg)
	e1:SetOperation(c12948099.tdop)
	c:RegisterEffect(e1)
	--draw
	local e2=Effect.CreateEffect(c)
	e2:SetDescription(aux.Stringid(12948099,1))
	e2:SetCategory(CATEGORY_DRAW)
	e2:SetType(EFFECT_TYPE_SINGLE+EFFECT_TYPE_TRIGGER_F)
	e2:SetCode(EVENT_BE_MATERIAL)
	e2:SetProperty(EFFECT_FLAG_PLAYER_TARGET)
	e2:SetCondition(c12948099.drcon)
	e2:SetTarget(c12948099.drtg)
	e2:SetOperation(c12948099.drop)
	c:RegisterEffect(e2)
	--effect gain
	local e3=Effect.CreateEffect(c)
	e3:SetType(EFFECT_TYPE_SINGLE+EFFECT_TYPE_CONTINUOUS)
	e3:SetCode(EVENT_BE_MATERIAL)
	e3:SetProperty(EFFECT_FLAG_EVENT_PLAYER)
	e3:SetCondition(c12948099.efcon)
	e3:SetOperation(c12948099.efop)
	c:RegisterEffect(e3)
end
function c12948099.tdcon(e,tp,eg,ep,ev,re,r,rp)
	return e:GetHandler():IsSummonType(SUMMON_TYPE_SYNCHRO)
end
function c12948099.filter(c)
	return c:IsType(TYPE_XYZ) and c:IsRank(4) and c:IsAbleToExtra()
end
function c12948099.tdtg(e,tp,eg,ep,ev,re,r,rp,chk)
	if chk==0 then return Duel.IsExistingMatchingCard(c12948099.filter,tp,LOCATION_MZONE,LOCATION_MZONE,1,nil) end
	local g=Duel.GetMatchingGroup(c12948099.filter,tp,LOCATION_MZONE,LOCATION_MZONE,nil)
	Duel.SetOperationInfo(0,CATEGORY_TOEXTRA,g,g:GetCount(),0,0)
end
function c12948099.tdop(e,tp,eg,ep,ev,re,r,rp)
	local g=Duel.GetMatchingGroup(c12948099.filter,tp,LOCATION_MZONE,LOCATION_MZONE,nil)
	if g:GetCount()>0 then
		Duel.SendtoDeck(g,nil,0,REASON_EFFECT)
	end
end
function c12948099.drcon(e,tp,eg,ep,ev,re,r,rp)
	return r==REASON_FUSION
end
function c12948099.drtg(e,tp,eg,ep,ev,re,r,rp,chk)
	if chk==0 then return true end
	Duel.SetTargetPlayer(tp)
	Duel.SetTargetParam(1)
	Duel.SetOperationInfo(0,CATEGORY_DRAW,nil,0,tp,1)
end
function c12948099.drop(e,tp,eg,ep,ev,re,r,rp)
	local p,d=Duel.GetChainInfo(0,CHAININFO_TARGET_PLAYER,CHAININFO_TARGET_PARAM)
	Duel.Draw(p,d,REASON_EFFECT)
end
function c12948099.efcon(e,tp,eg,ep,ev,re,r,rp)
	return r==REASON_XYZ
end
function c12948099.efop(e,tp,eg,ep,ev,re,r,rp)
	local c=e:GetHandler()
	local rc=c:GetReasonCard()
	local e1=Effect.CreateEffect(rc)
	e1:SetDescription(aux.Stringid(12948099,2))
	e1:SetCategory(CATEGORY_DRAW)
	e1:SetType(EFFECT_TYPE_SINGLE+EFFECT_TYPE_TRIGGER_F)
	e1:SetProperty(EFFECT_FLAG_PLAYER_TARGET)
	e1:SetCode(EVENT_SPSUMMON_SUCCESS)
	e1:SetCondition(c12948099.drcon2)
	e1:SetTarget(c12948099.drtg)
	e1:SetOperation(c12948099.drop)
	e1:SetReset(RESET_EVENT+RESETS_STANDARD)
	rc:RegisterEffect(e1,true)
	if not rc:IsType(TYPE_EFFECT) then
		local e2=Effect.CreateEffect(c)
		e2:SetType(EFFECT_TYPE_SINGLE)
		e2:SetCode(EFFECT_ADD_TYPE)
		e2:SetValue(TYPE_EFFECT)
		e2:SetReset(RESET_EVENT+RESETS_STANDARD)
		rc:RegisterEffect(e2,true)
	end
end
function c12948099.drcon2(e,tp,eg,ep,ev,re,r,rp)
	return e:GetHandler():IsSummonType(SUMMON_TYPE_XYZ)
end