--ルドラの魔導書
--Spellbook of Knowledge
local s,id=GetID()
function s.initial_effect(c)
	--activate
	local e1=Effect.CreateEffect(c)
	e1:SetCategory(CATEGORY_TOGRAVE+CATEGORY_DRAW)
	e1:SetType(EFFECT_TYPE_ACTIVATE)
	e1:SetCode(EVENT_FREE_CHAIN)
	e1:SetCountLimit(1,id,EFFECT_COUNT_CODE_OATH)
	e1:SetTarget(s.target)
	e1:SetOperation(s.activate)
	c:RegisterEffect(e1)
end
s.listed_series={SET_SPELLBOOK}
s.listed_names={id}
function s.filter(c)
	return (((c:IsFaceup() or c:IsLocation(LOCATION_HAND)) and c:IsSetCard(SET_SPELLBOOK))
		or (c:IsFaceup() and c:IsLocation(LOCATION_MZONE) and c:IsRace(RACE_SPELLCASTER)))
		and not c:IsCode(id) and c:IsAbleToGrave()
end
function s.target(e,tp,eg,ep,ev,re,r,rp,chk)
	if chk==0 then return Duel.IsPlayerCanDraw(tp,2)
		and Duel.IsExistingMatchingCard(s.filter,tp,LOCATION_HAND|LOCATION_ONFIELD,0,1,e:GetHandler()) end
	Duel.SetOperationInfo(0,CATEGORY_TOGRAVE,nil,1,tp,LOCATION_HAND|LOCATION_ONFIELD)
	Duel.SetOperationInfo(0,CATEGORY_DRAW,nil,0,tp,2)
end
function s.activate(e,tp,eg,ep,ev,re,r,rp)
	Duel.Hint(HINT_SELECTMSG,tp,HINTMSG_TOGRAVE)
	local g=Duel.SelectMatchingCard(tp,s.filter,tp,LOCATION_HAND|LOCATION_ONFIELD,0,1,1,e:GetHandler())
	local tc=g:GetFirst()
	if tc and Duel.SendtoGrave(tc,REASON_EFFECT)>0 and tc:IsLocation(LOCATION_GRAVE) then
		Duel.Draw(tp,2,REASON_EFFECT)
	end
end