--created by Seth, coded by Lyris
--Shadow NOVA Dragon
local s,id,o=GetID()
function s.initial_effect(c)
	c:EnableReviveLimit()
	aux.AddLinkProcedure(c,aux.FilterBoolFunction(Card.IsSetCard,0xe1f),3,3)
	local e5=Effect.CreateEffect(c)
	e5:SetType(EFFECT_TYPE_FIELD)
	e5:SetCode(EFFECT_CANNOT_DISEFFECT)
	e5:SetRange(LOCATION_MZONE)
	e5:SetValue(s.efilter)
	c:RegisterEffect(e5)
	local e1=Effect.CreateEffect(c)
	e1:SetType(EFFECT_TYPE_IGNITION)
	e1:SetRange(LOCATION_MZONE)
	e1:SetCountLimit(1,id)
	e1:SetCategory(CATEGORY_SEARCH+CATEGORY_TOHAND)
	e1:SetTarget(s.target)
	e1:SetOperation(s.operation)
	c:RegisterEffect(e1)
	local e2=Effect.CreateEffect(c)
	e2:SetType(EFFECT_TYPE_FIELD+EFFECT_TYPE_TRIGGER_O)
	e2:SetCode(EVENT_DESTROYED)
	e2:SetRange(LOCATION_MZONE)
	e2:SetCountLimit(1,id+1000)
	e2:SetProperty(EFFECT_FLAG_DELAY)
	e2:SetCategory(CATEGORY_SPECIAL_SUMMON)
	e2:SetCondition(function(e,tp,eg) return eg:IsExists(s.cfilter,1,nil,tp,c:GetLinkedZone()) end)
	e2:SetCost(s.cost)
	e2:SetTarget(s.tg)
	e2:SetOperation(s.op)
	c:RegisterEffect(e2)
end
function s.efilter(e,ct)
	local tc=Duel.GetChainInfo(ct,CHAININFO_TRIGGERING_EFFECT):GetHandler()
	if not (tc:IsSetCard(0xe1f) and e:GetHandler():GetLinkedGroup():IsContains(tc) and tc:GetFlagEffect(id)==0) then return false end
	local ne=Duel.GetChainInfo(ct+1,CHAININFO_TRIGGERING_EFFECT)
	if ne and ne:IsActiveType(TYPE_SPELL) then return false end
	local et={tc:IsHasEffect(EFFECT_DISABLE),tc:IsHasEffect(EFFECT_DISABLE_EFFECT)}
	for _,ef in ipairs(et) do if ef:IsActiveType(TYPE_SPELL) then return false end end
	return true
end
function s.filter(c)
	return c:IsType(TYPE_MONSTER) and c:IsSetCard(0xe1f) and c:IsAbleToHand() and not c:IsCode(id)
end
function s.target(e,tp,eg,ep,ev,re,r,rp,chk)
	if chk==0 then return Duel.IsExistingMatchingCard(s.filter,tp,LOCATION_DECK,0,1,nil) end
	Duel.SetOperationInfo(0,CATEGORY_TOHAND,nil,1,tp,LOCATION_DECK)
end
function s.operation(e,tp,eg,ep,ev,re,r,rp)
	Duel.Hint(HINT_SELECTMSG,tp,HINTMSG_ATOHAND)
	local g=Duel.SelectMatchingCard(tp,s.filter,tp,LOCATION_DECK,0,1,1,nil)
	Duel.SendtoHand(g,nil,REASON_EFFECT)
	Duel.ConfirmCards(1-tp,g)
end
function s.cfilter(c,tp,zone)
	local seq=c:GetPreviousSequence()
	if c:IsPreviousControler(1-tp) then seq=seq+16 end
	return c:GetReasonPlayer()~=tp and c:IsPreviousLocation(LOCATION_MZONE) and c:GetReason()&0x41==0x41
		and bit.extract(zone,seq)>0
end
function s.dfilter(c)
	return c:IsSetCard(0xe1f) and c:IsType(TYPE_MONSTER) and c:IsAbleToGraveAsCost()
end
function s.cost(e,tp,eg,ep,ev,re,r,rp,chk)
	if chk==0 then return Duel.IsExistingMatchingCard(s.dfilter,tp,LOCATION_HAND,0,1,nil) end
	Duel.DiscardHand(tp,s.dfilter,1,1,REASON_COST)
end
function s.spfilter(c,e,tp,zone)
	return s.cfilter(c,tp,zone) and c:IsCanBeSpecialSummoned(e,0,tp,true,false)
end
function s.tg(e,tp,eg,ep,ev,re,r,rp,chk)
	local zone=e:GetHandler():GetLinkedZone()
	if chk==0 then
		local ct=eg:FilterCount(s.spfilter,nil,e,tp,zone)
		return ct>0 and (ct==1 or not Duel.IsPlayerAffectedByEffect(tp,CARD_BLUEEYES_SPIRIT))
			and Duel.GetLocationCount(tp,LOCATION_MZONE,tp,LOCATION_REASON_TOFIELD,zone)>=ct
	end
	Duel.SetTargetCard(eg)
	local g=eg:Filter(s.spfilter,nil,e,tp,zone)
	Duel.SetOperationInfo(0,CATEGORY_SPECIAL_SUMMON,g,#g,0,0)
end
function s.sfilter(c,e,tp,zone)
	return s.spfilter(c,e,tp,zone) and c:IsRelateToEffect(e)
end
function s.op(e,tp,eg,ep,ev,re,r,rp)
	local c=e:GetHandler()
	local zone=c:GetLinkedZone()
	local ft=Duel.GetLocationCount(tp,LOCATION_MZONE,tp,LOCATION_REASON_TOFIELD,zone)
	if ft<=0 then return end
	if Duel.IsPlayerAffectedByEffect(tp,CARD_BLUEEYES_SPIRIT) then ft=1 end
	local sg=eg:Filter(s.sfilter,nil,e,tp,zone)
	if ft<#sg then return end
	local ct=Duel.GetTurnPlayer()==tp and Duel.GetCurrentPhase()==PHASE_STANDBY and 2 or 1
	for tc in aux.Next(sg) do
		if Duel.SpecialSummonStep(tc,0,tp,tp,true,false,POS_FACEUP) then
			tc:RegisterFlagEffect(id,RESET_EVENT+RESETS_STANDARD,0,1)
			local e1=Effect.CreateEffect(c)
			e1:SetType(EFFECT_TYPE_SINGLE)
			e1:SetCode(EFFECT_DISABLE)
			e1:SetReset(RESET_EVENT+RESETS_STANDARD+RESET_PHASE+PHASE_STANDBY+RESET_SELF_TURN,ct)
			tc:RegisterEffect(e1)
			local e2=Effect.CreateEffect(c)
			e2:SetType(EFFECT_TYPE_SINGLE)
			e2:SetCode(EFFECT_DISABLE_EFFECT)
			e2:SetReset(RESET_EVENT+RESETS_STANDARD+RESET_PHASE+PHASE_STANDBY+RESET_SELF_TURN,ct)
			tc:RegisterEffect(e2)
		end
	end
	Duel.SpecialSummonComplete()
end