You get to create a token that is a copy of a nonlegendary enchantment you control
There are times when I want to run Goblin Bombardment or other sacrificial or "Do something with a dork" but they require a certain threshold of creatures in your deck to function
Three mana for the basic effect is a little much, but with ways to cheat the unlocking of the second door, its a great price for a shot at bringing everything back from the graveyard with Awakening Hall
The Outlaws of Thunder Junction Grand Larceny Commander Deck includes 1 Black-Green-Blue deck of 100 Magic cards (2 Traditional Foil Legendary cards, 98 nonfoil cards), a 2-card Collector Booster Sample Pack (contains 1 Traditional Foil or nonfoil alt-border card of rarity Rare or higher and 1 Traditional Foil Borderless Uncommon card), 10 double-sided tokens, 1 deck box (can hold 100 sleeved cards), 1 Life Wheel, 1 strategy insert, and 1 reference card
Oh, and Hollow One can also be cycled itself