The shape indicates which set, or edition, that particular card was printed in, and the color indicates the rarity , as follows: Cards printed before the Exodus set in 1998 did not use colored symbols to show rarity, and many of these cards have no set symbol at all
At least you only need a handful of actual Faerie creatures to make those cards good, and we already had some strong options in Standard with Faerie Mastermind and Halo Forager
Now obviously, being in mono black, Fandaniel can bring a lot of synergy with forcing things to die
Stompy decks in Legacy use it to throw stax pieces like Blood Moon and Chalice of the Void into play early, but plenty of decks can make use of a land that puts them a full turn ahead on mana
If you cant tell, Im a huge fan of printing oddities
Few can withstand the savagery of their onslaught as they patrol Tarkir to satiate their hunger