Generate a YGOPro Lua script for the following Yu-Gi-Oh card effect:
"Aleister the Invoker" + 1 FIRE monster This card gains 200 ATK for each card your opponent controls. Can attack all monsters your opponent controls, once each. If this card attacks a Defense Position monster, inflict piercing battle damage to your opponent.
--召喚獣プルガトリオ
--Invoked Purgatrio
local s,id=GetID()
function s.initial_effect(c)
	--fusion material
	c:EnableReviveLimit()
	Fusion.AddProcMix(c,true,true,86120751,aux.FilterBoolFunctionEx(Card.IsAttribute,ATTRIBUTE_FIRE))
	--atk
	local e1=Effect.CreateEffect(c)
	e1:SetType(EFFECT_TYPE_SINGLE)
	e1:SetProperty(EFFECT_FLAG_SINGLE_RANGE)
	e1:SetCode(EFFECT_UPDATE_ATTACK)
	e1:SetRange(LOCATION_MZONE)
	e1:SetValue(s.atkval)
	c:RegisterEffect(e1)
	--attack all
	local e2=Effect.CreateEffect(c)
	e2:SetType(EFFECT_TYPE_SINGLE)
	e2:SetCode(EFFECT_ATTACK_ALL)
	e2:SetValue(1)
	c:RegisterEffect(e2)
	--pierce
	local e3=Effect.CreateEffect(c)
	e3:SetType(EFFECT_TYPE_SINGLE)
	e3:SetCode(EFFECT_PIERCE)
	c:RegisterEffect(e3)
end
function s.atkval(e,c)
	return Duel.GetFieldGroupCount(c:GetControler(),0,LOCATION_ONFIELD)*200
end