The four oldest sets: The First Chapter, Rise of the Floodborn, Into the Inklands, and Ursula's Return, are rotating out, but over half of the Fabled set consists of reprinted cards from those first four sets
Theres nothing like cracking packs and discovering cards for the first time to get someone hooked on the game, and the Collector in your life will be excited by the sealed 1st Chapter packs as well
What Secrets of Strixhaven Mystical Archive Cards Were Left in Historic
This makes it perfect for players who love to stay on the offensive without losing long-term stability
Sultai Morphs: I think you can make a pretty strong argument that Sultai Morphs could be #1 on our list
Its a great place to go for ideas on new decks, how to upgrade your existing ones and making sure you dont miss out on the most popular cards