Any exerted character can be challenged (attacked) and banished from play (sent to the discard pile)
Each color tends toward certain game concepts and styles, meaning we will prefer playing some colors more than others
The estimated pull rate for them is around one in every 96 packs and stock of Lorcana is notoriously hard to get ahold of
Depending on the item, being able to bounce cards in this way can be a strong strategy, and Yokai's ability to get two lore for questing is a strong bonus
This allows you to find solutions to problems your opponent may have on the board
There are a couple of decent questers with high Willpower and high lore value in this deck, like Robin Hood, Daydreamer and Starkey, Devious Pirate, but more often than not you'll get more value out of steadily questing with an unanswered Don Karnage than you will with an intimidating late game bomb