Or take the set from the TCG, although then you would need to consult the type chart each time
You also control someone when they search their library, so you can see their hand
Release to Memory disrupts an opponent's graveyard in a way that's synergistic with token decks or Spirit typal decks
Big Game Hunter and Nightshade Assassin are very powerful for decks which can reliably discard them, since madness also doubles as a form of flash
The best way to get the flashiest cards, Collector Boosters are souped-up with rares, foils, and special treatments you wont find anywhere else, including the possibility of a special Serialized card, grand prize of the multiversal death race
Indeed, the 1-of-1 The One Ring isn't the only expensive card in the list as collectors and players alike see the value in having many of the cards in the set