Being able to cheat absurdly expensive cards as long as you pay one mana of each color can be really good when youre playing expensive battlecruisers
Sealed product often shows steadier price action than singles, so being able to manage both in one place is genuinely useful for both long-term holds and short-term flips
Note that the Mega Dragonite ex card and slab are not included
Was the print company contractor something which has been confirmed

Ajani's Pridemate Alacrian Jaguar Arahbo, the First Fang Bane-Marked Leonin Bounding Felidar Cat-Owl Coeurl Cruel Caracals Dawnwing Marshal Eager Glyphmage Emeritus of Truce Enduring Curiosity Envoy of Okinec Ahau Felidar Cub Felidar Savior Forum Familiar G'raha Tia Gaelicat Gloryheath Lynx Helpful Hunter Honorbound Page Ice Cream Kitty Infirmary Healer Ingenious Leonin Inkling Mascot Iridescent Tiger Ironpaw Aspirant Jazal Goldmane Knight of Wundagore Kraven's Cats Kutzil's Flanker Kutzil, Malamet Exemplar Leonin Skyhunter Leonin Surveyor Leonin Vanguard Lionheart Glimmer Malamet Brawler Malamet Veteran Malamet War Scribe Masked Meower Nine-Lives Familiar Old Hob, Alleycat Blues Pet Avengers Pride of the Road Prideful Parent Red Tiger Mechan Regal Caracal Rescue Leopard Risen Necroregent Roxanne, Starfall Savant Saber-Tooth Moose-Lion Sally Pride, Lioness Leader Savannah Lions Skittering Kitten Skyknight Squire Sovereign Okinec Ahau Spiritcall Enthusiast Sunspine Lynx The Lion-Turtle Tiger-Dillo Tiger-Seal Tigra, Feline Fury Topiary Panther Trained Arynx Undergrowth Leopard Venomized Cat Walking Sarcophagus Warehouse Tabby Wary Thespian West Wind Avatar Y'shtola Rhul Ygra, Eater of All

However, not all sleeves are created equal, and some may be a bit small or too tight, leading to potential damage over time