While their proxy boosters are very novel (as far as I know they and PrintingProxies are the only ones that do this), I would say they are best known for their ability to print and ship out any large list of cards you want, on demand
Any counters that it had on it, such as +1/+1 counters from undying, will go away (unless the permanent ordinarily enters the battlefield with counters on it, like Djinn of Wishes does)
It contains the many generals and captains of Sauron's army, and of course the dark lord himself and his One Ring
A single winning coin toss usually produces enough material to keep the ability going on future turns, and Treasure's a pretty good reward in and of itself
Secret Lair Joins the Fellowship Not all who wander are lost, like the awesome cards celebrating The Lord of the Rings: Tales of Middle-earth that have found their way into a Secret Lair drop releasing later this year
According to Wizards of the Coast, only half of the Japanese booster packs will have the alternative art in them, making Amanos Liliana that much harder to find
