Hazards:
Gandalf the White Rider
Pallando the Soul-keeper
Radagast the Tamer
Alatar the Hunter
Spider of the Morlat
Witch-king of Angmar
Uvatha the Horseman
Ren the Unclean
Khamul the Easterling
Indur Dawndeath
Hoarmurath of Dir
Dwar of Waw
Adunaphel
Akhorahil
Lord of the Carrock
Balrog of Moria
Spawn of Ungoliant
Ungoliant's Progeny
Ungoliant's Foul Issue
Monstrosity of Diverse Shape
Scatha at Home
Scorba at Home
Daelomin At Home
Lady of the Golden Wood
3 x Aware of their Ways
3 x Darkness Made by Malice
On the other hand, it does have a point behind playing all the perms -- to hide the fact that you're building up Spawn. In most minion games, your opponent will send a small company to a

Use Aware of Their Ways to try and hit vital recycle cards in your opponent's deck.