All races from the DMG are banned.
All items except for the following are approved:
+1/+2/+3 variations of banned items from the DMG
Antimatter Rifle
Any weapons of warning
Automatic Pistol
Automatic Rifle
Bomb
Dynamite
Energy Cell
Fragmentation Grenade
Grenade Launcher
Hunting Rifle
Laser Pistol
Laser Rifle
Modern Bullet
Musket
Pistol
Renaissance Bullet
Revolver
Shotgun
Smoke Grenade
Apparatus of Kwalish
Axe of the Dwarvish Lords
Bag of Beans
Blackrazor
Book of Exalted Deeds
Book of Vile Darkness
Dancing Weapons
Deck of Many Things
Efreeti Bottle
Eye of Vecna
Hand of Vecna
Helm of Teleportation (This item is not banned, but is a Very Rare)
Horn of Valhalla
Iron Flask
Luck Blade
Manuals (Cannot be crafted but can be found/used)
Orb of Dragonkind
Philter of Love
Sword of Kas
Tomes (Cannot be crafted but can be found/used)
Wand of Orcus