sheet as a common. Due to this oversight, the Mountain is now the most common Magic card. Wizards noted that there were just under 31,000 Arabian Nights Mountain cards printed. Another error, this time in printing, caused two different styles of generic mana symbols to be printed on some cards. Some copies of these cards feature a regular sized generic mana symbol, other copies have one that is smaller and darker. Design Even when separated from its place as Magics first expansion, Arabian Nights was a groundbreaking set in terms of its impact on the game. In his article "It Happened One Nights", Mark Rosewater detailed amongst others the following innovations or expansions on Alpha mechanics: Stealing opponent's cards – Alpha enabled players to gain control of their opponent's permanents, but Arabian Nights explored this theme further. Opponent-activated abilities – has an ability that each player can activate. This theme was further explored with the Mongers in Mercadian Masques. Lands with abilities – Arabian Nights was the first set with Lands that had abilities other than mana abilities. Coin flips – Arabian Nights was the first set that made use of coin flips to introduce additional randomness to the game. Cumulative upkeep & cantrips (cards that draw a new card when played) – Both concepts were more formally introduced in Ice Age, but Arabian Nights made use of these on and , respectively. Lifelink – The concept of the ability that would become Lifelink was first introduced on Arabian Nights . Exile zone as a Limbo – was the first card to use what would eventually come to be called the Exile zone as a holding zone for cards temporarily out of play. Storyline Richard Garfield considered several mythologies to build Magic first expansion around, but eventually decided to use a real-world mythos. Personally fascinated with the One Thousand and One Nights mythos, and inspired by the recent Sandman comic by Neil Gaiman, "Ramadan", he decided that it fit the game well and chose to employ it for Magic. Aside from using the original tale as an inspiration for the cards of Arabian Nights and putting short quotes from the book on the cards as flavor text the set originally had no own background story. In 1995–96 two comic books (A Time to Gather and And Then There Was One) were produced by Armada to give the set its own