New Redemption Grab Bag now includes an assortment of 500 cards from five (5) different expansion sets. Available at Cactus website.
The most recent ruling that I am aware of is that angels discarded from deck do not go to Chamber.
Any chance you could remember who said that?
You could control a card just about anywhere. Herod's Treachery is a perfect example of a card that could be under your control in your opponent's territory or set-aside area. A Demon placed with Possessed can be under your control while in an opponent's Land of Bondage.