--凭依装着-达克
function c21390858.initial_effect(c)
	--spsummon proc
	local e1=Effect.CreateEffect(c)
	e1:SetType(EFFECT_TYPE_FIELD)
	e1:SetCode(EFFECT_SPSUMMON_PROC)
	e1:SetProperty(EFFECT_FLAG_UNCOPYABLE)
	e1:SetRange(LOCATION_HAND+LOCATION_DECK)
	e1:SetCondition(c21390858.spcon)
	e1:SetOperation(c21390858.spop)
	e1:SetValue(1)
	c:RegisterEffect(e1)
	--search
	local e2=Effect.CreateEffect(c)
	e2:SetDescription(aux.Stringid(21390858,0))
	e2:SetCategory(CATEGORY_TOHAND+CATEGORY_SEARCH)
	e2:SetType(EFFECT_TYPE_TRIGGER_O+EFFECT_TYPE_SINGLE)
	e2:SetCode(EVENT_SPSUMMON_SUCCESS)
	e2:SetCondition(c21390858.condition)
	e2:SetTarget(c21390858.target)
	e2:SetOperation(c21390858.operation)
	c:RegisterEffect(e2)
end
function c21390858.spfilter1(c,tp)
	return c:IsFaceup() and c:IsCode(19327348) and c:IsAbleToGraveAsCost()
		and Duel.IsExistingMatchingCard(c21390858.spfilter2,tp,LOCATION_MZONE,0,1,c)
end
function c21390858.spfilter2(c)
	return c:IsFaceup() and c:IsAttribute(ATTRIBUTE_DARK) and c:IsAbleToGraveAsCost()
end
function c21390858.spcon(e,c)
	if c==nil then return true end
	local tp=c:GetControler()
	return Duel.IsExistingMatchingCard(c21390858.spfilter1,tp,LOCATION_MZONE,0,1,nil,tp)
end
function c21390858.spop(e,tp,eg,ep,ev,re,r,rp,c)
	Duel.Hint(HINT_SELECTMSG,tp,HINTMSG_TOGRAVE)
	local g1=Duel.SelectMatchingCard(tp,c21390858.spfilter1,tp,LOCATION_MZONE,0,1,1,nil,tp)
	Duel.Hint(HINT_SELECTMSG,tp,HINTMSG_TOGRAVE)
	local g2=Duel.SelectMatchingCard(tp,c21390858.spfilter2,tp,LOCATION_MZONE,0,1,1,g1:GetFirst())
	g1:Merge(g2)
	Duel.SendtoGrave(g1,REASON_COST)
	Duel.ShuffleDeck(tp)
	--pierce
	local e1=Effect.CreateEffect(c)
	e1:SetType(EFFECT_TYPE_SINGLE)
	e1:SetCode(EFFECT_PIERCE)
	e1:SetReset(RESET_EVENT+0xff0000)
	c:RegisterEffect(e1)
end
function c21390858.tfilter(c)
	local lv=c:GetLevel()
	return (lv==3 or lv==4) and c:IsAttribute(ATTRIBUTE_LIGHT) and c:IsRace(RACE_SPELLCASTER) and c:IsAbleToHand()
end
function c21390858.condition(e,tp,eg,ep,ev,re,r,rp)
	return e:GetHandler():GetSummonType()==SUMMON_TYPE_SPECIAL+1
end
function c21390858.target(e,tp,eg,ep,ev,re,r,rp,chk)
	if chk==0 then return Duel.IsExistingMatchingCard(c21390858.tfilter,tp,LOCATION_DECK,0,1,nil) end
	Duel.SetOperationInfo(0,CATEGORY_TOHAND,nil,1,tp,LOCATION_DECK)
end
function c21390858.operation(e,tp,eg,ep,ev,re,r,rp)
	Duel.Hint(HINT_SELECTMSG,tp,HINTMSG_ATOHAND)
	local g=Duel.SelectMatchingCard(tp,c21390858.tfilter,tp,LOCATION_DECK,0,1,1,nil)
	if g:GetCount()>0 then
		Duel.SendtoHand(g,nil,REASON_EFFECT)
		Duel.ConfirmCards(1-tp,g)
	end
end
