Generate a YGOPro Lua script for the following Yu-Gi-Oh card effect:
When this card is destroyed by battle and sent to the Graveyard: You can banish this card and 3 "Elemental HERO" Monster Cards with different names from your Graveyard to target 1 Normal Spell Card in your Graveyard; add that target to your hand.
--E・HERO フラッシュ
--Elemental HERO Flash
local s,id=GetID()
function s.initial_effect(c)
	--flip
	local e1=Effect.CreateEffect(c)
	e1:SetDescription(aux.Stringid(id,0))
	e1:SetCategory(CATEGORY_TOHAND)
	e1:SetProperty(EFFECT_FLAG_CARD_TARGET)
	e1:SetType(EFFECT_TYPE_SINGLE+EFFECT_TYPE_TRIGGER_O)
	e1:SetCode(EVENT_BATTLE_DESTROYED)
	e1:SetCondition(s.condition)
	e1:SetCost(s.cost)
	e1:SetTarget(s.target)
	e1:SetOperation(s.operation)
	c:RegisterEffect(e1)
end
s.listed_series={SET_ELEMENTAL_HERO}
function s.condition(e,tp,eg,ep,ev,re,r,rp)
	return e:GetHandler():IsLocation(LOCATION_GRAVE) and e:GetHandler():IsReason(REASON_BATTLE)
end
function s.rfilter(c)
	return c:IsSetCard(SET_ELEMENTAL_HERO) and c:IsAbleToRemoveAsCost()
end
function s.cost(e,tp,eg,ep,ev,re,r,rp,chk)
	local rg=Duel.GetMatchingGroup(s.rfilter,tp,LOCATION_GRAVE,0,e:GetHandler())
	if chk==0 then return aux.bfgcost(e,tp,eg,ep,ev,re,r,rp,0) and rg:GetClassCount(Card.GetCode)>=3 end
	local sg=aux.SelectUnselectGroup(rg,e,tp,3,3,aux.dncheck,1,tp,HINTMSG_REMOVE)
	Duel.Remove(sg+e:GetHandler(),POS_FACEUP,REASON_COST)
end
function s.filter(c)
	return c:IsNormalSpell() and c:IsAbleToHand()
end
function s.target(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.IsExistingTarget(s.filter,tp,LOCATION_GRAVE,0,1,nil) end
	Duel.Hint(HINT_SELECTMSG,tp,HINTMSG_ATOHAND)
	local g=Duel.SelectTarget(tp,s.filter,tp,LOCATION_GRAVE,0,1,1,nil)
	Duel.SetOperationInfo(0,CATEGORY_TOHAND,g,#g,0,0)
end
function s.operation(e,tp,eg,ep,ev,re,r,rp)
	local tc=Duel.GetFirstTarget()
	if tc and tc:IsRelateToEffect(e) then
		Duel.SendtoHand(tc,nil,REASON_EFFECT)
		Duel.ConfirmCards(1-tp,tc)
	end
end