It also has a much smaller footprint, since an elastic band uses up much less space than a deck box
Some involve an imbalanced resource conversion, like [casthaven]Ancient Tomb[/casthaven] (two life is absolutely worth an extra mana), others rely on a resource strong enough to easily build a deck around, such as [casthaven]Tolarian Academy[/casthaven] and [casthaven]Mishras Workshop[/casthaven]
By morning, the fire was out and Ellwen was gone.
Since the mana generated can only be used for Artifacts, this card was restricted instead of banned
If you are interested in other unique formats, you might also explore Magic: The Gathering playmats or oversized cards to expand your display collection
Filter lands are likely the next best to add in and after that the humble check lands or the scry lands would be my advice