The card was definitely printed with card Lucky Dime in mind, a seven-cost item that can act as a doubler for your Tamatoas in play
Mulan, Charging Ahead is Evasive during your turn and has a unique Burst of Speed ability, allowing her to challenge other Evasive characters and Readied characters - but she's Reckless, so she must challenge every turn
Experiment by removing cards from the deck and adding in new ones from outside the original deck list
Mechanically, it is more or less a rework of Rapunzel - Gifted with Healing from The First Chapter, carrying almost the exact same effect, but as an action card, and being potentially slightly less flexible in real play
On top of featuring Mickey Mouse and being so closely tied to the games origins, the Enchanted Rare version of Mickey Mouse, Wayward Sorcerer goes one step further with a full-art variant that sees Mickey casting a spell as he holds his staff aloft
Mushu, Your Worst Nightmare, giving one of your characters Rush, Reckless, and Evasive means you're able to send a tank in to wreak havoc and send your opponents' characters to the discard
