24 of those cards will appear in other rarities within the set, with one card only available as a Quarter Century Secret Rare.
If this card in its owner's control leaves the field because of an opponent's card: You can Special Summon 1 "Chaos" Synchro Monster from your Extra Deck, except "Chaos Archfiend"
That said, some of the Duelists are from Season 3 too, including Supreme King Jaden
3 Ultra Rare collectible (non-playable) historical cards celebrating the Duelist Kingdom storyline, including Glory of the Kings Hand, Set Sail for The Kingdom, and the Duelist Kingdom itself 3 Ultra Rare collectible (non-playable) Egyptian God Cards: Slifer the Sky Dragon, Obelisk the Tormentor, and The Winged Dragon of Ra
What the archetype does have going for it, is that a number of the cards feature truly amazing artwork with Rilliona, the Wondrous Magistus Witch Wardrobe being a major stand-out
they would never leave each other