Generate a YGOPro Lua script for the following Yu-Gi-Oh card effect:
When this card is Normal or Flip Summoned: You can Special Summon any number of "Skyblaster Tokens" (Fiend/DARK/Level 4/ATK 500/DEF 500), up to the number of monsters you control. Once per turn, during your Standby Phase: You can inflict 300 damage to your opponent for each "Skyblaster" monster you control. "Skyblaster" monsters you control cannot declare an attack during the turn you activate this effect.
--幻銃士
--Phantom Skyblaster
local s,id=GetID()
function s.initial_effect(c)
	--Special Summon tokens
	local e1=Effect.CreateEffect(c)
	e1:SetDescription(aux.Stringid(id,0))
	e1:SetCategory(CATEGORY_SPECIAL_SUMMON+CATEGORY_TOKEN)
	e1:SetType(EFFECT_TYPE_SINGLE+EFFECT_TYPE_TRIGGER_O)
	e1:SetCode(EVENT_SUMMON_SUCCESS)
	e1:SetTarget(s.sptg)
	e1:SetOperation(s.spop)
	c:RegisterEffect(e1)
	local e2=e1:Clone()
	e2:SetCode(EVENT_FLIP_SUMMON_SUCCESS)
	c:RegisterEffect(e2)
	--Inflict Damage
	local e2=Effect.CreateEffect(c)
	e2:SetDescription(aux.Stringid(id,1))
	e2:SetCategory(CATEGORY_DAMAGE)
	e2:SetType(EFFECT_TYPE_FIELD+EFFECT_TYPE_TRIGGER_O)
	e2:SetProperty(EFFECT_FLAG_PLAYER_TARGET)
	e2:SetCode(EVENT_PHASE|PHASE_STANDBY)
	e2:SetRange(LOCATION_MZONE)
	e2:SetCountLimit(1)
	e2:SetCondition(s.damcon)
	e2:SetCost(s.damcost)
	e2:SetTarget(s.damtg)
	e2:SetOperation(s.damop)
	c:RegisterEffect(e2)
	aux.GlobalCheck(s,function()
		local ge1=Effect.CreateEffect(c)
		ge1:SetType(EFFECT_TYPE_FIELD+EFFECT_TYPE_CONTINUOUS)
		ge1:SetCode(EVENT_ATTACK_ANNOUNCE)
		ge1:SetOperation(s.checkop)
		Duel.RegisterEffect(ge1,0)
	end)
end
s.listed_names={12958920}
s.listed_series={SET_SKYBLASTER}
function s.checkop(e,tp,eg,ep,ev,re,r,rp)
	local tc=eg:GetFirst()
	if tc:IsSetCard(SET_SKYBLASTER) then
		Duel.RegisterFlagEffect(tc:GetControler(),id,RESET_PHASE|PHASE_END,0,1)
	end
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.IsPlayerCanSpecialSummonMonster(tp,id+1,SET_SKYBLASTER,TYPES_TOKEN,500,500,4,RACE_FIEND,ATTRIBUTE_DARK) end
	Duel.SetOperationInfo(0,CATEGORY_TOKEN,nil,1,0,0)
	Duel.SetOperationInfo(0,CATEGORY_SPECIAL_SUMMON,nil,1,tp,0)
end
function s.spop(e,tp,eg,ep,ev,re,r,rp)
	local ft=Duel.GetLocationCount(tp,LOCATION_MZONE)
	local ct=Duel.GetFieldGroupCount(tp,LOCATION_MZONE,0)
	if ft>ct then ft=ct end
	if ft<=0 then return end
	if Duel.IsPlayerAffectedByEffect(tp,CARD_BLUEEYES_SPIRIT) then ft=1 end
	if not Duel.IsPlayerCanSpecialSummonMonster(tp,id+1,SET_SKYBLASTER,TYPES_TOKEN,500,500,4,RACE_FIEND,ATTRIBUTE_DARK) then return end
	local ctn=true
	while ft>0 and ctn do
		local token=Duel.CreateToken(tp,id+1)
		Duel.SpecialSummonStep(token,0,tp,tp,false,false,POS_FACEUP)
		ft=ft-1
		if ft<=0 or not Duel.SelectYesNo(tp,aux.Stringid(id,2)) then ctn=false end
	end
	Duel.SpecialSummonComplete()
end
function s.damcon(e,tp,eg,ep,ev,re,r,rp)
	return tp==Duel.GetTurnPlayer()
end
function s.damcost(e,tp,eg,ep,ev,re,r,rp,chk)
	if chk==0 then return Duel.GetFlagEffect(tp,id)==0 end
	local e1=Effect.CreateEffect(e:GetHandler())
	e1:SetType(EFFECT_TYPE_FIELD)
	e1:SetCode(EFFECT_CANNOT_ATTACK_ANNOUNCE)
	e1:SetProperty(EFFECT_FLAG_OATH)
	e1:SetTarget(aux.TargetBoolFunction(Card.IsSetCard,SET_SKYBLASTER))
	e1:SetTargetRange(LOCATION_MZONE,0)
	e1:SetReset(RESET_PHASE|PHASE_END)
	Duel.RegisterEffect(e1,tp)
end
function s.damtg(e,tp,eg,ep,ev,re,r,rp,chk)
	if chk==0 then return true end
	local ct=Duel.GetMatchingGroupCount(aux.FaceupFilter(Card.IsSetCard,SET_SKYBLASTER),tp,LOCATION_MZONE,0,nil)
	Duel.SetTargetPlayer(1-tp)
	Duel.SetOperationInfo(0,CATEGORY_DAMAGE,nil,0,1-tp,ct*300)
end
function s.damop(e,tp,eg,ep,ev,re,r,rp)
	local p=Duel.GetChainInfo(0,CHAININFO_TARGET_PLAYER)
	local ct=Duel.GetMatchingGroupCount(aux.FaceupFilter(Card.IsSetCard,SET_SKYBLASTER),tp,LOCATION_MZONE,0,nil)
	Duel.Damage(p,ct*300,REASON_EFFECT)
end