Generate a YGOPro Lua script for the following Yu-Gi-Oh card effect:
Banish 7 "Fire Formation" Spell/Trap Cards from your Graveyard; Special Summon as many "Fire Fist" monsters as possible from your Graveyard, then you can Set "Fire Formation" Spell/Trap Cards directly from your Deck, except "Ultimate Fire Formation - Seito", up to the number of monsters Special Summoned by this effect.
--極炎舞－「星斗」
--Ultimate Fire Formation - Seito
local s,id=GetID()
function s.initial_effect(c)
	--activate
	local e1=Effect.CreateEffect(c)
	e1:SetType(EFFECT_TYPE_ACTIVATE)
	e1:SetCategory(CATEGORY_SPECIAL_SUMMON)
	e1:SetCode(EVENT_FREE_CHAIN)
	e1:SetCost(s.spcost)
	e1:SetTarget(s.sptg)
	e1:SetOperation(s.spop)
	c:RegisterEffect(e1)
end
function s.cfilter(c)
	return c:IsSetCard(SET_FIRE_FORMATION) and c:IsSpellTrap() and c:IsAbleToRemoveAsCost()
end
function s.spcost(e,tp,eg,ep,ev,re,r,rp,chk)
	if chk==0 then return Duel.IsExistingMatchingCard(s.cfilter,tp,LOCATION_GRAVE,0,7,nil) end
	Duel.Hint(HINT_SELECTMSG,tp,HINTMSG_REMOVE)
	local g=Duel.SelectMatchingCard(tp,s.cfilter,tp,LOCATION_GRAVE,0,7,7,nil)
	Duel.Remove(g,POS_FACEUP,REASON_COST)
end
function s.filter(c,e,tp)
	return c:IsSetCard(SET_FIRE_FIST) and c:IsCanBeSpecialSummoned(e,0,tp,false,false)
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.filter,tp,LOCATION_GRAVE,0,1,nil,e,tp) end
	Duel.SetOperationInfo(0,CATEGORY_SPECIAL_SUMMON,nil,1,tp,LOCATION_GRAVE)
end
function s.sfilter(c)
	return c:IsSetCard(SET_FIRE_FORMATION) and c:GetCode()~=id and c:IsSpellTrap() and c:IsSSetable()
end
function s.spop(e,tp,eg,ep,ev,re,r,rp)
	local ft=Duel.GetLocationCount(tp,LOCATION_MZONE)
	local tg=Duel.GetMatchingGroup(s.filter,tp,LOCATION_GRAVE,0,nil,e,tp)
	if ft<=0 or #tg==0 then return end
	if Duel.IsPlayerAffectedByEffect(tp,CARD_BLUEEYES_SPIRIT) then ft=1 end
	Duel.Hint(HINT_SELECTMSG,tp,HINTMSG_SPSUMMON)
	local g=tg:Select(tp,ft,ft,nil)
	local ct=Duel.SpecialSummon(g,0,tp,tp,false,false,POS_FACEUP)
	if ct>0 then
		local ft2=Duel.GetLocationCount(tp,LOCATION_SZONE)
		if ft2>ct then ft2=ct end
		if ft2<=0 then return end
		local sg=Duel.GetMatchingGroup(s.sfilter,tp,LOCATION_DECK,0,nil)
		if #sg>0 and Duel.SelectYesNo(tp,aux.Stringid(id,0)) then
			Duel.BreakEffect()
			Duel.Hint(HINT_SELECTMSG,tp,HINTMSG_SET)
			local setg=sg:Select(tp,1,ft2,nil)
			Duel.SSet(tp,setg)
		end
	end
end