You have two great options
Obscure nods, like speaking to beavers, & emotional sequences, like Tidus & Yuna's laugh, enhance the FF experience
Look at the top 4 cards of your deck, reveal a song card if you find one, add it to your hand for future use, and then place the rest of the cards on the bottom of your deck in any order you choose
Five ink is relatively cheap cost for a card that can instantly deal with tough, high-willpower attackers or characters ready to churn lore and progress their player toward victory, so having Dragon Fire at the ready when you need it is always recommended
Luckily, Ravensburger has been making it easier every year to obtain them so that those who can't make it to D23 don't have to spend their life savings
That, of course, is not a bad thing