20 cards where the set is “c21” and the card types include “legendary” and the cards aren’t reprints

Adrix and Nev, Twincasters (Commander 2021 #9)
Alibou, Ancient Witness (Commander 2021 #7)
Breena, the Demagogue (Commander 2021 #1)
Deekah, Fractal Theorist (Commander 2021 #26)
Esix, Fractal Bloom (Commander 2021 #10)
Fain, the Broker (Commander 2021 #40)
Felisa, Fang of Silverquill (Commander 2021 #2)
Gyome, Master Chef (Commander 2021 #5)
Laelia, the Blade Reforged (Commander 2021 #53)
Losheel, Clockwork Scholar (Commander 2021 #18)
Nils, Discipline Enforcer (Commander 2021 #20)
Octavia, Living Thesis (Commander 2021 #29)
Osgir, the Reconstructor (Commander 2021 #8)
Rionya, Fire Dancer (Commander 2021 #55)
Ruxa, Patient Professor (Commander 2021 #66)
Tivash, Gloom Summoner (Commander 2021 #45)
Veyran, Voice of Duality (Commander 2021 #3)
Willowdusk, Essence Seer (Commander 2021 #6)
Yedora, Grave Gardener (Commander 2021 #70)
Zaffai, Thunder Conductor (Commander 2021 #4)

The message was clear to Sorin—time to search for something else.