54 cards where the set is “clb” and (the collector number >= 553 and the collector number <= 606)

Altar of Bhaal // Bone Offering (Commander Legends: Battle for Baldur's Gate #569)
Archivist of Oghma (Commander Legends: Battle for Baldur's Gate #553)
Ascend from Avernus (Commander Legends: Battle for Baldur's Gate #554)
Astarion's Thirst (Commander Legends: Battle for Baldur's Gate #570)
Baldur's Gate (Commander Legends: Battle for Baldur's Gate #600)
Balor (Commander Legends: Battle for Baldur's Gate #578)
Barroom Brawl (Commander Legends: Battle for Baldur's Gate #587)
Basilisk Collar (Commander Legends: Battle for Baldur's Gate #595)
Blade of Selves (Commander Legends: Battle for Baldur's Gate #596)
Blood Money (Commander Legends: Battle for Baldur's Gate #571)
Bountiful Promenade (Commander Legends: Battle for Baldur's Gate #601)
Call to the Void (Commander Legends: Battle for Baldur's Gate #572)
Caves of Chaos Adventurer (Commander Legends: Battle for Baldur's Gate #579)
Descent into Avernus (Commander Legends: Battle for Baldur's Gate #580)
Displacer Kitten (Commander Legends: Battle for Baldur's Gate #560)
Earthquake Dragon (Commander Legends: Battle for Baldur's Gate #588)
Elder Brain (Commander Legends: Battle for Baldur's Gate #573)
Eldritch Pact (Commander Legends: Battle for Baldur's Gate #574)
Elminster's Simulacrum (Commander Legends: Battle for Baldur's Gate #561)
Elturel Survivors (Commander Legends: Battle for Baldur's Gate #581)
Firbolg Flutist (Commander Legends: Battle for Baldur's Gate #582)
Font of Magic (Commander Legends: Battle for Baldur's Gate #562)
Fraying Line (Commander Legends: Battle for Baldur's Gate #597)
Gale's Redirection (Commander Legends: Battle for Baldur's Gate #563)
Horn of Valhalla // Ysgard's Call (Commander Legends: Battle for Baldur's Gate #555)
Illithid Harvester // Plant Tadpoles (Commander Legends: Battle for Baldur's Gate #564)
Intellect Devourer (Commander Legends: Battle for Baldur's Gate #575)
Jaheira's Respite (Commander Legends: Battle for Baldur's Gate #589)
Kindred Discovery (Commander Legends: Battle for Baldur's Gate #565)
Lae'zel's Acrobatics (Commander Legends: Battle for Baldur's Gate #556)
Luxury Suite (Commander Legends: Battle for Baldur's Gate #602)
Majestic Genesis (Commander Legends: Battle for Baldur's Gate #590)
Mighty Servant of Leuk-o (Commander Legends: Battle for Baldur's Gate #598)
Mirror of Life Trapping (Commander Legends: Battle for Baldur's Gate #599)
Monster Manual // Zoological Study (Commander Legends: Battle for Baldur's Gate #591)
Morphic Pool (Commander Legends: Battle for Baldur's Gate #603)
Owlbear Cub (Commander Legends: Battle for Baldur's Gate #592)
Pact Weapon (Commander Legends: Battle for Baldur's Gate #576)
Ravenloft Adventurer (Commander Legends: Battle for Baldur's Gate #577)
Reflecting Pool (Commander Legends: Battle for Baldur's Gate #604)
Robe of the Archmagi (Commander Legends: Battle for Baldur's Gate #566)
Sculpted Sunburst (Commander Legends: Battle for Baldur's Gate #557)
Sea of Clouds (Commander Legends: Battle for Baldur's Gate #605)
Spire Garden (Commander Legends: Battle for Baldur's Gate #606)
Storm King's Thunder (Commander Legends: Battle for Baldur's Gate #583)
Tomb of Horrors Adventurer (Commander Legends: Battle for Baldur's Gate #567)
Traverse the Outlands (Commander Legends: Battle for Baldur's Gate #593)
Undermountain Adventurer (Commander Legends: Battle for Baldur's Gate #594)
Wand of Wonder (Commander Legends: Battle for Baldur's Gate #584)
White Plume Adventurer (Commander Legends: Battle for Baldur's Gate #558)
Windshaper Planetar (Commander Legends: Battle for Baldur's Gate #559)
Wizards of Thay (Commander Legends: Battle for Baldur's Gate #568)
Wrathful Red Dragon (Commander Legends: Battle for Baldur's Gate #585)
Wyll's Reversal (Commander Legends: Battle for Baldur's Gate #586)

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