Sapphire continues the trend from Rise Of The Floodborn of showing how powerful synergy between characters can be with Huey, Dewy, and Louie, particularly with Huey's ability, Three Nephews, which allows you to draw three cards if one of each of the Nephews is on the field
Timed right, that can be a massive game changer
Lore effect: upon entering or after your draw step, adds a +2/+2 bird token, boosting your board presence
As representatives from Disney and Ravensburger shared through press releases and meetings during Gen Con, the art on the cards is not a screen grab from the movies
Theres also the fact that these cards are not unique to a set, in terms of their actual stats and abilities