If a card isnt worded right, it can lead to problems in games where players dont know about the errata
Buster Sword gives the equipped creature +3/+2, making it a serious threat in combat
She can immediately end games with a 3-lore quest, or completely dismantle boards full of characters that your opponent needs to keep ready for defense
Looking at the price history graph, from TCGplayer, Collector Booster Boxes were $600 at their absolute cheapest
An affordable promo for collectors on a budget Not much financial value for ambitious collectors How Far I'll Go is a promo card that's not currently living up to its name
As further confirmation of this, what is easily one of the best cards of the set, if not the, is the new Belle - Apprentice Inventor