--無限起動スクレイパー
--Infinitrack Tunneller
--Scripted by Naim
local s,id = GetID()
function s.initial_effect(c)
	--special summon
	local e1=Effect.CreateEffect(c)
	e1:SetDescription(aux.Stringid(id,0))
	e1:SetCategory(CATEGORY_SPECIAL_SUMMON)
	e1:SetType(EFFECT_TYPE_IGNITION)
	e1:SetRange(LOCATION_HAND)
	e1:SetCountLimit(1,id)
	e1:SetCost(s.spcost)
	e1:SetTarget(s.sptg)
	e1:SetOperation(s.spop)
	c:RegisterEffect(e1)
	--shuffle and draw
	local e2=Effect.CreateEffect(c)
	e2:SetCategory(CATEGORY_TODECK+CATEGORY_DRAW)
	e2:SetType(EFFECT_TYPE_IGNITION)
	e2:SetProperty(EFFECT_FLAG_CARD_TARGET)
	e2:SetRange(LOCATION_GRAVE)
	e2:SetCountLimit(1,{id,1})
	e2:SetCost(Cost.SelfBanish)
	e2:SetTarget(s.drtg)
	e2:SetOperation(s.drop)
	c:RegisterEffect(e2)
end
function s.cfilter(c,tp)
	return c:IsRace(RACE_MACHINE) and c:IsAttribute(ATTRIBUTE_EARTH)
		and (Duel.GetMZoneCount(tp,c,tp)>0 or (c:IsControler(tp) and c:GetSequence()<5)) and (c:IsControler(tp) or c:IsFaceup())
end
function s.spcost(e,tp,eg,ep,ev,re,r,rp,chk)
	local ft=Duel.GetLocationCount(tp,LOCATION_MZONE)
	if chk==0 then return ft>-1 and Duel.CheckReleaseGroupCost(tp,s.cfilter,1,false,nil,nil,tp) end
	local g=Duel.SelectReleaseGroupCost(tp,s.cfilter,1,1,false,nil,nil,tp)
	Duel.Release(g,REASON_COST)
end
function s.sptg(e,tp,eg,ep,ev,re,r,rp,chk)
	local c=e:GetHandler()
	if chk==0 then return c:IsCanBeSpecialSummoned(e,0,tp,false,false,POS_FACEUP_DEFENSE) end
	Duel.SetOperationInfo(0,CATEGORY_SPECIAL_SUMMON,c,1,0,0)
end
function s.spop(e,tp,eg,ep,ev,re,r,rp)
	local c=e:GetHandler()
	if not c:IsRelateToEffect(e) then return end
	Duel.SpecialSummon(c,0,tp,tp,false,false,POS_FACEUP_DEFENSE)
end
function s.filter(c)
	return c:IsRace(RACE_MACHINE) and c:IsAttribute(ATTRIBUTE_EARTH) and c:IsAbleToDeck()
end
function s.drtg(e,tp,eg,ep,ev,re,r,rp,chk,chkc)
	if chkc then return chkc:IsLocation(LOCATION_GRAVE) and chkc:IsControler(tp) and s.filter(chkc) end
	if chk==0 then return Duel.IsPlayerCanDraw(tp,2)
		and Duel.IsExistingTarget(s.filter,tp,LOCATION_GRAVE,0,5,e:GetHandler()) end
	Duel.Hint(HINT_SELECTMSG,tp,HINTMSG_TODECK)
	local g=Duel.SelectTarget(tp,s.filter,tp,LOCATION_GRAVE,0,5,5,nil)
	Duel.SetOperationInfo(0,CATEGORY_TODECK,g,#g,0,0)
	Duel.SetOperationInfo(0,CATEGORY_DRAW,nil,0,tp,2)
end
function s.drop(e,tp,eg,ep,ev,re,r,rp)
	local tg=Duel.GetChainInfo(0,CHAININFO_TARGET_CARDS)
	local td=tg:Filter(Card.IsRelateToEffect,nil,e)
	if not tg or #td<=0 then return end
	Duel.SendtoDeck(td,nil,SEQ_DECKTOP,REASON_EFFECT)
	local g=Duel.GetOperatedGroup()
	if g:IsExists(Card.IsLocation,1,nil,LOCATION_DECK) then Duel.ShuffleDeck(tp) end
	local ct=g:FilterCount(Card.IsLocation,nil,LOCATION_DECK|LOCATION_EXTRA)
	if ct>0 then
		Duel.BreakEffect()
		Duel.Draw(tp,2,REASON_EFFECT)
	end
end