16 cards where the cards aren’t reprints and the mana cost is greater than or equal to {1}{W/B}{W/B}

Lurrus of the Dream-Den (Ikoria: Lair of Behemoths #226)
Debtors' Knell (Guildpact #141)
Glasswing Grace // Age-Graced Chapel (Modern Horizons 3 #254)
Glasswing Grace // Age-Graced Chapel (Modern Horizons 3 #254)
Deathbringer Liege (Eventide #85)
Moonrise Cleric (Bloomburrow #226)
Gift of Orzhova (Gatecrash #219)
Kaya, Bane of the Dead (War of the Spark #231)
Syndicate Heavy (Ravnica: Clue Edition #47)
Stillmoon Cavalier (Eventide #95)
Pyrrhic Revival (Eventide #93)
Evershrike (Eventide #88)
Silverquill Pledgemage (Strixhaven: School of Mages #233)
Inkling Summoning (Strixhaven: School of Mages #195)
Rise of Extus (Strixhaven: School of Mages #226)
Harvest Gwyllion (Eventide #90)
Bloodied Ghost (Eventide #83)

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