Plus, Attractions (except for one) come in several variationsboth with and without acorn symbols, as you can see aboveso you'll have plenty of ways to mix, match, and play with them
You get more stats and total value with the black versions but they are poor stand alone cards
This is also true for the upcoming Chocobo Racing events that Wizards of the Coast announced for the Final Fantasy set as Wizards Play Network (WPN) member game stores are being required to use Final Fantasy play boosters as prize support for it

Adrix and Nev, Twincasters Aesi, Tyrant of Gyre Strait Aetherwind Basker Agatha of the Vile Cauldron Ajani Unyielding Ajani, Mentor of Heroes Ajani, Sleeper Agent Ajani, Valiant Protector Allosaurus Shepherd Amazing Spider-Man Anafenza, the Foremost Ancient Adamantoise Ancient Bronze Dragon Ancient Cornucopia Ancient Greenwarden Anikthea, Hand of Erebos Animar, Soul of Elements Annie Flash, the Veteran Anthem of Champions Anzrag, the Quake-Mole Apex Devastator Apocalypse Hydra Arachnogenesis Aragorn and Arwen, Wed Aragorn, Hornburg Hero Aragorn, the Uniter Arahbo, Roar of the World Arasta of the Endless Web Arcades, the Strategist Argothian Enchantress Arlinn Kord Arlinn, Embraced by the Moon Arlinn, the Moon's Fury Arlinn, the Pack's Hope Armada Wurm Arwen, Mortal Queen Ashaya, Soul of the Wild Atla Palani, Nest Tender Atraxa, Grand Unifier Atraxa, Grand Unifier Atraxa, Praetors' Voice Auntie Ool, Cursewretch Aurora Awakener Avabruck Caretaker Avatar Aang Avatar Kyoshi, Earthbender Avatar of Growth Avenger of Zendikar Awaken the Woods Back-Alley Gardener Badgermole Cub Battle Mammoth Beast Within Beast Within Beastmaster Ascension Begin the Invasion Beledros Witherbloom Bello, Bard of the Brambles Beluna Grandsquall Beluna Grandsquall Berserk Betor, Ancestor's Voice Betor, Kin to All Biogenic Ooze Birthing Ritual Black Panther, Wakandan King Blaster, Combat DJ Blaster, Morale Booster Blex, Vexing Pest Bloom Tender Blossoming Tortoise Body of Research

This means that not only can key cards be tutored for by paying five mana, but their mana costs are also ignored as these cards are directly put into play