--R.B. VALCan Booster
local s,id,o=GetID()
function s.initial_effect(c)
	--link summon
	c:EnableReviveLimit()
	aux.AddLinkProcedure(c,aux.FilterBoolFunction(Card.IsLinkRace,RACE_MACHINE),2,2)
	--search
	local e1=Effect.CreateEffect(c)
	e1:SetDescription(aux.Stringid(id,0))
	e1:SetCategory(CATEGORY_SEARCH+CATEGORY_TOHAND)
	e1:SetType(EFFECT_TYPE_SINGLE+EFFECT_TYPE_TRIGGER_O)
	e1:SetCode(EVENT_SPSUMMON_SUCCESS)
	e1:SetProperty(EFFECT_FLAG_DELAY)
	e1:SetCountLimit(1,id)
	e1:SetCondition(s.thcon)
	e1:SetTarget(s.thtg)
	e1:SetOperation(s.thop)
	c:RegisterEffect(e1)
	--spsummon
	local e2=Effect.CreateEffect(c)
	e2:SetDescription(aux.Stringid(id,1))
	e2:SetCategory(CATEGORY_SPECIAL_SUMMON)
	e2:SetType(EFFECT_TYPE_IGNITION)
	e2:SetRange(LOCATION_MZONE)
	e2:SetCountLimit(1,id+o)
	e2:SetCondition(s.spcon)
	e2:SetTarget(s.sptg)
	e2:SetOperation(s.spop)
	c:RegisterEffect(e2)
end
function s.thcon(e,tp,eg,ep,ev,re,r,rp)
	return e:GetHandler():IsSummonType(SUMMON_TYPE_LINK)
end
function s.thfilter(c)
	return c:IsSetCard(0x2d2) and c:IsType(TYPE_SPELL) and c:IsAbleToHand()
end
function s.thtg(e,tp,eg,ep,ev,re,r,rp,chk)
	if chk==0 then return Duel.IsExistingMatchingCard(s.thfilter,tp,LOCATION_DECK,0,1,nil) end
	Duel.Hint(HINT_OPSELECTED,1-tp,e:GetDescription())
	Duel.SetOperationInfo(0,CATEGORY_TOHAND,nil,1,tp,LOCATION_DECK)
end
function s.thop(e,tp,eg,ep,ev,re,r,rp)
	Duel.Hint(HINT_SELECTMSG,tp,HINTMSG_ATOHAND)
	local g=Duel.SelectMatchingCard(tp,s.thfilter,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
function s.spcon(e)
	return e:GetHandler():GetSequence()>4
end
function s.spfilter(c,e,tp)
	return c:IsSetCard(0x2d2) and c:IsCanBeSpecialSummoned(e,0,tp,false,false,POS_FACEUP_DEFENSE)
end
function s.sptg(e,tp,eg,ep,ev,re,r,rp,chk)
	if chk==0 then return Duel.GetLocationCount(tp,LOCATION_MZONE)>0
		and Duel.IsExistingMatchingCard(s.spfilter,tp,LOCATION_GRAVE+LOCATION_HAND,0,1,nil,e,tp) end
	Duel.Hint(HINT_OPSELECTED,1-tp,e:GetDescription())
	Duel.SetOperationInfo(0,CATEGORY_SPECIAL_SUMMON,nil,1,tp,LOCATION_GRAVE+LOCATION_HAND)
end
function s.spop(e,tp,eg,ep,ev,re,r,rp)
	local c=e:GetHandler()
	if Duel.GetLocationCount(tp,LOCATION_MZONE)>0 then
		Duel.Hint(HINT_SELECTMSG,tp,HINTMSG_SPSUMMON)
		local g=Duel.SelectMatchingCard(tp,aux.NecroValleyFilter(s.spfilter),tp,LOCATION_GRAVE+LOCATION_HAND,0,1,1,nil,e,tp)
		if #g>0 and Duel.SpecialSummon(g,0,tp,tp,false,false,POS_FACEUP_DEFENSE)~=0
			and c:IsRelateToChain()
			and Duel.GetLocationCount(tp,LOCATION_MZONE,PLAYER_NONE,0)>0
			and Duel.SelectYesNo(tp,aux.Stringid(id,2)) then
			Duel.BreakEffect()
			Duel.Hint(HINT_SELECTMSG,tp,HINTMSG_TOZONE)
			local fd=Duel.SelectDisableField(tp,1,LOCATION_MZONE,0,0)
			Duel.Hint(HINT_ZONE,tp,fd)
			local seq=math.log(fd,2)
			Duel.MoveSequence(c,seq)
		end
	end
	local e1=Effect.CreateEffect(e:GetHandler())
	e1:SetType(EFFECT_TYPE_FIELD)
	e1:SetProperty(EFFECT_FLAG_PLAYER_TARGET)
	e1:SetCode(EFFECT_CANNOT_SPECIAL_SUMMON)
	e1:SetReset(RESET_PHASE+PHASE_END)
	e1:SetTargetRange(1,0)
	e1:SetTarget(s.splimit)
	Duel.RegisterEffect(e1,tp)
end
function s.splimit(e,c)
	return c:IsLocation(LOCATION_EXTRA) and not (c:IsRace(RACE_MACHINE) and c:IsAttackBelow(1500))
end