--覚醒の暗黒騎士ガイア
function c29904964.initial_effect(c)
	--summon with no tribute
	local e1=Effect.CreateEffect(c)
	e1:SetDescription(aux.Stringid(29904964,0))
	e1:SetType(EFFECT_TYPE_SINGLE)
	e1:SetProperty(EFFECT_FLAG_CANNOT_DISABLE+EFFECT_FLAG_UNCOPYABLE)
	e1:SetCode(EFFECT_SUMMON_PROC)
	e1:SetCondition(c29904964.ntcon)
	c:RegisterEffect(e1)
	--tohand
	local e2=Effect.CreateEffect(c)
	e2:SetDescription(aux.Stringid(29904964,1))
	e2:SetCategory(CATEGORY_SPECIAL_SUMMON)
	e2:SetType(EFFECT_TYPE_SINGLE+EFFECT_TYPE_TRIGGER_O)
	e2:SetCode(EVENT_RELEASE)
	e2:SetProperty(EFFECT_FLAG_DAMAGE_STEP+EFFECT_FLAG_DELAY)
	e2:SetCountLimit(1,29904964)
	e2:SetTarget(c29904964.sptg)
	e2:SetOperation(c29904964.spop)
	c:RegisterEffect(e2)
	--ritual material
	local e3=Effect.CreateEffect(c)
	e3:SetType(EFFECT_TYPE_SINGLE)
	e3:SetCode(EFFECT_EXTRA_RITUAL_MATERIAL)
	e3:SetValue(c29904964.mtval)
	c:RegisterEffect(e3)
end
function c29904964.ntcon(e,c,minc)
	if c==nil then return true end
	local tp=c:GetControler()
	return minc==0 and c:GetLevel()>4 and Duel.GetLocationCount(tp,LOCATION_MZONE)>0
		and Duel.GetFieldGroupCount(tp,0,LOCATION_MZONE)>Duel.GetFieldGroupCount(tp,LOCATION_MZONE,0)
end
function c29904964.spfilter(c,e,tp)
	return c:IsSetCard(0x10cf) and c:IsCanBeSpecialSummoned(e,0,tp,false,false)
end
function c29904964.sptg(e,tp,eg,ep,ev,re,r,rp,chk)
	if chk==0 then return Duel.IsExistingMatchingCard(c29904964.spfilter,tp,LOCATION_HAND+LOCATION_GRAVE,0,1,nil,e,tp) end
	Duel.SetOperationInfo(0,CATEGORY_SPECIAL_SUMMON,nil,1,tp,LOCATION_HAND+LOCATION_GRAVE)
end
function c29904964.spop(e,tp,eg,ep,ev,re,r,rp)
	Duel.Hint(HINT_SELECTMSG,tp,HINTMSG_SPSUMMON)
	local g=Duel.SelectMatchingCard(tp,c29904964.spfilter,tp,LOCATION_HAND+LOCATION_GRAVE,0,1,1,nil,e,tp)
	if g:GetCount()>0 and not g:GetFirst():IsHasEffect(EFFECT_NECRO_VALLEY) then
		Duel.SpecialSummon(g,0,tp,tp,false,false,POS_FACEUP)
	end
end
function c29904964.mtval(e,c)
	return c:IsSetCard(0x10cf)
end
