49 cards where the cards aren’t reprints and the set is “sld”

Arvinox, the Mind Flail (Secret Lair Drop #340)
Greymond, Avacyn's Stalwart (Secret Lair Drop #143)
Havengul Laboratory // Havengul Mystery (Secret Lair Drop #609)
Havengul Laboratory // Havengul Mystery (Secret Lair Drop #609)
Haystack (Secret Lair Drop #802)
Baldin, Century Herdmaster (Secret Lair Drop #428)
Zethi, Arcane Blademaster (Secret Lair Drop #432)
Wernog, Rider's Chaplain (Secret Lair Drop #347)
Maarika, Brutal Gladiator (Secret Lair Drop #435)
Bjorna, Nightfall Alchemist (Secret Lair Drop #344)
Xenk, Paladin Unbroken (Secret Lair Drop #1237)
Tadeas, Juniper Ascendant (Secret Lair Drop #433)
Gisa's Favorite Shovel (Secret Lair Drop #581)
Cecily, Haunted Mage (Secret Lair Drop #343)
Elmar, Ulvenwald Informant (Secret Lair Drop #345)
Sophina, Spearsage Deserter (Secret Lair Drop #341)
The Howling Abomination (Secret Lair Drop #431)
Doric, Nature's Warden // Doric, Owlbear Avenger (Secret Lair Drop #1241)
Doric, Nature's Warden // Doric, Owlbear Avenger (Secret Lair Drop #1241)
Edgin, Larcenous Lutenist (Secret Lair Drop #1242)
Forge, Neverwinter Charlatan (Secret Lair Drop #1239)
Malik, Grim Manipulator (Secret Lair Drop #147)
Gregor, Shrewd Magistrate (Secret Lair Drop #145)
Simon, Wild Magic Sorcerer (Secret Lair Drop #1238)
Storm, Force of Nature (Secret Lair Drop #1742)
Themberchaud (Secret Lair Drop #728)
Lara Croft, Tomb Raider (Secret Lair Drop #1501)
Othelm, Sigardian Outcast (Secret Lair Drop #346)
Aisha of Sparks and Smoke (Secret Lair Drop #430)
The Fourteenth Doctor (Secret Lair Drop #1583)
Holga, Relentless Rager (Secret Lair Drop #1240)
The Fifteenth Doctor (Secret Lair Drop #1584)
Iron Man, Titan of Innovation (Secret Lair Drop #1731)
Wolverine, Best There Is (Secret Lair Drop #1737)
Hansk, Slayer Zealot (Secret Lair Drop #144)
Hargilde, Kindly Runechanter (Secret Lair Drop #342)
Captain America, First Avenger (Secret Lair Drop #1726)
Immard, the Stormcleaver (Secret Lair Drop #434)
Vikya, Scorching Stalwart (Secret Lair Drop #429)
Arden Angel (Secret Lair Drop #1344)
The Celestial Toymaker (Secret Lair Drop #1582)
Black Panther, Wakandan King (Secret Lair Drop #1747)
Rose Noble (Secret Lair Drop #1580)
The Meep (Secret Lair Drop #1581)
Enkira, Hostile Scavenger (Secret Lair Drop #146)
Applejack (Secret Lair Drop #1537)
Discord, Lord of Disharmony (Secret Lair Drop #798)
Fluttershy (Secret Lair Drop #1538)
Pinkie Pie (Secret Lair Drop #1539)
Rainbow Dash (Secret Lair Drop #1540)
Walker (Secret Lair Drop #148)

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