Like most Magic: The Gathering cards, the value of The Fire Crystal depends on a few consistent factors: its rarity, the printing and finish (regular or foil), its physical condition, and the set it was printed in (Final Fantasy)
The prices of these cards come from TCGplayer and are subject to change over time
When using the card in a game, if an opposing player has more cards in their hand, the one who plays Robin Hood can draw a card to even things out some
With only 900 promo packs distributed at the convention, Mickey as the Brave Little Tailor is among the rarest Lorcana prints out there
Nomura's name can be found on several MTG Final Fantasy cards, with prior works by the artist showing up in the 'Through the Ages' bonus sheet which featured existing illustrations from the series, and new art appearing on an alternate version of Sephiroth and the Las Vegas Pro Tour promo of Cloud