--Spellbook Library of the Heliosphere
function c20822520.initial_effect(c)
	--Activate
	local e1=Effect.CreateEffect(c)
	e1:SetCategory(CATEGORY_TOHAND+CATEGORY_SEARCH)
	e1:SetType(EFFECT_TYPE_ACTIVATE)
	e1:SetProperty(EFFECT_FLAG_PLAYER_TARGET)
	e1:SetCode(EVENT_FREE_CHAIN)
	e1:SetCondition(c20822520.condition)
	e1:SetCost(c20822520.cost)
	e1:SetTarget(c20822520.target)
	e1:SetOperation(c20822520.activate)
	c:RegisterEffect(e1)
	if not c20822520.global_check then
		c20822520.global_check=true
		c20822520[0]=true
		c20822520[1]=true
		local ge1=Effect.CreateEffect(c)
		ge1:SetType(EFFECT_TYPE_FIELD+EFFECT_TYPE_CONTINUOUS)
		ge1:SetCode(EVENT_CHAINING)
		ge1:SetOperation(c20822520.checkop)
		Duel.RegisterEffect(ge1,0)
		local ge2=Effect.CreateEffect(c)
		ge2:SetType(EFFECT_TYPE_FIELD+EFFECT_TYPE_CONTINUOUS)
		ge2:SetCode(EVENT_PHASE_START+PHASE_DRAW)
		ge2:SetOperation(c20822520.clear)
		Duel.RegisterEffect(ge2,0)
	end
end
function c20822520.checkop(e,tp,eg,ep,ev,re,r,rp)
	if re:IsHasType(EFFECT_TYPE_ACTIVATE) and re:IsActiveType(TYPE_SPELL) and not re:GetHandler():IsSetCard(0x106e) then
		c20822520[rp]=false
	end
end
function c20822520.clear(e,tp,eg,ep,ev,re,r,rp)
	c20822520[0]=true
	c20822520[1]=true
end
function c20822520.cfilter(c)
	return c:IsType(TYPE_SPELL) and c:IsSetCard(0x106e)
end
function c20822520.condition(e,tp,eg,ep,ev,re,r,rp)
	return Duel.IsExistingMatchingCard(c20822520.cfilter,tp,LOCATION_GRAVE,0,5,nil)
end
function c20822520.cost(e,tp,eg,ep,ev,re,r,rp,chk)
	if chk==0 then return Duel.GetFlagEffect(tp,20822520)==0 and c20822520[tp] end
	--oath effects
	Duel.RegisterFlagEffect(tp,20822520,RESET_PHASE+PHASE_END,EFFECT_FLAG_OATH,1)
	local e1=Effect.CreateEffect(e:GetHandler())
	e1:SetType(EFFECT_TYPE_FIELD)
	e1:SetProperty(EFFECT_FLAG_PLAYER_TARGET+EFFECT_FLAG_OATH)
	e1:SetCode(EFFECT_CANNOT_ACTIVATE)
	e1:SetTargetRange(1,0)
	e1:SetValue(c20822520.aclimit)
	e1:SetReset(RESET_PHASE+PHASE_END)
	Duel.RegisterEffect(e1,tp)
end
function c20822520.aclimit(e,re,tp)
	return re:IsHasType(EFFECT_TYPE_ACTIVATE) and re:IsActiveType(TYPE_SPELL) and not re:GetHandler():IsSetCard(0x106e)
end
function c20822520.target(e,tp,eg,ep,ev,re,r,rp,chk)
	if chk==0 then 
		if Duel.GetFieldGroupCount(tp,LOCATION_DECK,0)<2 then return false end
		local g=Duel.GetDecktopGroup(tp,2)
		return g:FilterCount(Card.IsAbleToHand,nil)>0
	end
	Duel.SetTargetPlayer(tp)
	Duel.SetOperationInfo(0,CATEGORY_TOHAND,nil,1,0,LOCATION_DECK)
end
function c20822520.filter(c)
	return c:IsType(TYPE_SPELL) and c:IsSetCard(0x106e)
end
function c20822520.activate(e,tp,eg,ep,ev,re,r,rp)
	local p=Duel.GetChainInfo(0,CHAININFO_TARGET_PLAYER)
	Duel.ConfirmDecktop(p,2)
	local g=Duel.GetDecktopGroup(p,2)
	if g:GetCount()>0 then
		local sg=g:Filter(c20822520.filter,nil)
		if sg:GetCount()>0 then
			if sg:GetFirst():IsAbleToHand() then
				Duel.SendtoHand(sg,nil,REASON_EFFECT)
				Duel.ConfirmCards(1-p,sg)
				Duel.ShuffleHand(p)
			else
				Duel.SendtoGrave(sg,REASON_EFFECT)
			end
		end
		Duel.ShuffleDeck(p)
	end
end
