Card draw is really important, and Nick Wilde Persistent Investigator has the potential for lots of it
Most of your characters have good stats for banishing their rivals in challenges, and if they don't there are easy ways to pump them up, either with a song, or as the side effect of a song
The Spike Nibelheim Aflame, in its nonfoil variant specifically, is following pricing patterns seen for a lot of other in-demand Final Fantasy MTG cards
I hope you've enjoyed this mechanical deep dive, and if you have comments or questions please drop a comment below, or stop by the Draftsim Discord for a chat
Counter target noncreature spell
As if that wasnt enough, Mirabel also has support, so when she does quest, you get to add her strength to another character for the turn, giving them a boost in power