Generate a YGOPro Lua script for the following Yu-Gi-Oh card effect:
This card gains 100 ATK for each Winged Beast-Type monster you control. Once per turn: You can target 1 Spell/Trap Card your opponent controls; destroy that target. You must control 3 or more Winged Beast-Type monsters to activate and to resolve this effect.
--ブラッドストーム
--Battlestorm
local s,id=GetID()
function s.initial_effect(c)
	--attackup
	local e1=Effect.CreateEffect(c)
	e1:SetType(EFFECT_TYPE_SINGLE)
	e1:SetProperty(EFFECT_FLAG_SINGLE_RANGE)
	e1:SetRange(LOCATION_MZONE)
	e1:SetCode(EFFECT_UPDATE_ATTACK)
	e1:SetValue(s.atkval)
	c:RegisterEffect(e1)
	--destroy
	local e2=Effect.CreateEffect(c)
	e2:SetDescription(aux.Stringid(id,0))
	e2:SetCategory(CATEGORY_DESTROY)
	e2:SetType(EFFECT_TYPE_IGNITION)
	e2:SetRange(LOCATION_MZONE)
	e2:SetCountLimit(1)
	e2:SetProperty(EFFECT_FLAG_CARD_TARGET)
	e2:SetCondition(s.descon)
	e2:SetTarget(s.destg)
	e2:SetOperation(s.desop)
	c:RegisterEffect(e2)
end
function s.atkval(e,c)
	return Duel.GetMatchingGroupCount(aux.FaceupFilter(Card.IsRace,RACE_WINGEDBEAST),c:GetControler(),LOCATION_MZONE,0,nil)*100
end
function s.descon(e,tp,eg,ep,ev,re,r,rp)
	return Duel.IsExistingMatchingCard(aux.FaceupFilter(Card.IsRace,RACE_WINGEDBEAST),tp,LOCATION_MZONE,0,3,nil)
end
function s.filter(c)
	return c:IsSpellTrap()
end
function s.destg(e,tp,eg,ep,ev,re,r,rp,chk,chkc)
	if chkc then return chkc:IsOnField() and chkc:IsControler(1-tp) and s.filter(chkc) end
	if chk==0 then return Duel.IsExistingTarget(s.filter,tp,0,LOCATION_ONFIELD,1,nil) end
	Duel.Hint(HINT_SELECTMSG,tp,HINTMSG_DESTROY)
	local g=Duel.SelectTarget(tp,s.filter,tp,0,LOCATION_ONFIELD,1,1,nil)
	Duel.SetOperationInfo(0,CATEGORY_DESTROY,g,1,0,0)
end
function s.desop(e,tp,eg,ep,ev,re,r,rp)
	if not Duel.IsExistingMatchingCard(aux.FaceupFilter(Card.IsRace,RACE_WINGEDBEAST),tp,LOCATION_MZONE,0,3,nil) then return end
	local tc=Duel.GetFirstTarget()
	if tc:IsRelateToEffect(e) then
		Duel.Destroy(tc,REASON_EFFECT)
	end
end