Being a Wizard is a pretty solid trait right now, especially with Flame of Anor being so strong and well-positioned, too, thanks to its flexibility in dealing with multiple threats or drawing cards
Arthur is an incredibly powerful card that allows you to earn lore with your weak questers like Lilo, Making a Wish and Pinnochio, Star Attraction, then bounce them back to your hand to keep them safe from challenges - while also rewarding you with two lore for doing it
Theres been a lot of markers for transitions regarding this game over the years: damage on the stack, the new frame, Arena, COVID, etc
The additional Frog token won't have any abilities the other tokens were created with
One of these is Dark Confidant, which, thanks to this set, is re-entering Standard for the first time in close to two decades