Later reprints of the card got a rarity stamp, which turned out to be an oxymoron, as stamped cards are less valuable since it was a later edition and not an original
Here are the offerings for the Final Fantasy set, although they appear to be selling quickly, so be sure to check both Amazon and HMV to see what's in stock and available to buy
Number 95 Language English Legal Formats Commander, Legacy, Vintage Not Legal Formats Alchemy, Brawl, Competitive Brawl, Historic, Modern, Pauper, Pioneer, Standard, Timeless
Aang, Airbending Master Allied Teamwork Appa, Steadfast Guardian Captain's Claws Gather the White Lotus Gideon, Ally of Zendikar Hook Swords Invasion Reinforcements Iroh, Tea Master Jasmine Dragon Tea Shop Katara, Water Tribe's Hope Kyoshi Battle Fan Kyoshi Warriors Loyal Fire Sage Match the Odds Path to Redemption Pretending Poxbearers Retreat to Emeria Sokka and Suki Sokka, Tenacious Tactician Suki, Courageous Rescuer Suki, Kyoshi Warrior Sun Warriors Tolls of War Treetop Freedom Fighters Unified Front
Nevertheless, in the few official online tournaments (the Players Cup and Team Challenge) and many unofficial ones, it performed very well, paired with Jirachi (Team Up), then Inteleon (Chilling Reign) when it came out
If you choose to exile an artifact card from your library, it will be exiled indefinitely.