22 cards where the cards are digital prints and the text includes “monarch”

Archon of Coronation (Magic Online Promos #86002)
Court of Ambition (Magic Online Promos #85978)
Court of Bounty (Magic Online Promos #85974)
Court of Cunning (Magic Online Promos #85980)
Court of Grace (Magic Online Promos #85982)
Court of Ire (Magic Online Promos #85976)
Custodi Lich (Treasure Chest #22)
Dawnglade Regent (Magic Online Promos #85986)
Emberwilde Captain (Magic Online Promos #86012)
Entourage of Trest (Treasure Chest #65783)
Garrulous Sycophant (Treasure Chest #17)
Jared Carthalion, True Heir (Magic Online Promos #86232)
Keeper of Keys (Treasure Chest #15)
Marchesa's Decree (Treasure Chest #20)
Palace Jailer (Treasure Chest #4)
Palace Sentinels (Treasure Chest #2)
Protector of the Crown (Treasure Chest #8)
Queen Marchesa (Magic Online Promos #86184)
Skyline Despot (Treasure Chest #28)
Thorn of the Black Rose (Treasure Chest #18)
Throne of the High City (Treasure Chest #73)
Throne Warden (Treasure Chest #1)

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