Ironically, it probably has the least exciting new cards for Commander as a whole, given the specific focus on equipment
(Amethyst) Elsa, Gloves Off (Amethyst) Gaston, Intellectual Powerhouse (Sapphire) Cogsworth, Talking Clock (Sapphire) Cogsworth, Grandfather Clock (Sapphire) Belle, Hidden Archer (Emerald) Bounce (Emerald) Hypnotize (Emerald) Panic, Underworld Imp (Emerald) Bucky, Squirrel Squeak Tutor (Emerald) Cinderella, Stouthearted (Steel) Cinderella, Knight In Training (Steel) The Prince, Never Gives Up (Steel) Tiana, Celebrating Prince (Steel) Robin Hood, Capable Fighter (Steel) Dinner Bell (Ruby) Raya, Warrior of Kumandra (Ruby) Mulan, Soldier in Training (Ruby) Rise of the Floodborn will have over 200 cards, however, so this list will continue to grow as the set gets closer to its official release date
This allows you to select a character that has been banished and bring them back into your hand
Toys and Supers appear as brand new card supertypes, and they get loads of support in the set
Still, the adventure sorcery aspect of this card also brings a ton of value, especially given that mill is slowly creeping back into the Standard and Commander metas