He uses the Book of Shadows pact feature, so likely has many spells that Warlocks might otherwise not have access to
For scale, the most expensive Pokemon cards ever sold reach seven figures for unique promos and flawless early-print holo rares
Adult Gold Dragon Angelic Captain Anya, Merciless Angel Aurelia, Exemplar of Justice Aurelia, the Law Above Aurelia, the Warleader Aurelia, the Warleader Basandra, Battle Seraph Bre of Clan Stoutarm Captain Marvel, Apex Avenger Cloudshredder Sliver Cloudspire Skycycle Dinosaurs on a Spaceship Excava, the Risen Past Feather, Radiant Arbiter Feather, the Redeemed Figure of Destiny Firemane Angel Firemane Avenger Fuss // Bother Gisela, Blade of Goldnight Hardened Academic Highspire Mantis Hobgoblin Dragoon Hovel Hurler Lorehold, the Historian Markov Waltzer Nobilis of War Odric, Blood-Cursed Otharri, Suns' Glory Phoenix, Warden of Fire Photon, Living Light Phyrexian Skyflayer Pia Nalaar, Consul of Revival Razia, Boros Archangel Rem Karolus, Stalwart Slayer Returned Pastcaller Sky Terror Skyknight Legionnaire Skyknight Vanguard Swooping Pteranodon The Jolly Balloon Man The Neutrinos Thor Odinson Tiana, Ship's Caretaker Velomachus Lorehold War Machine, Legacy of Iron
And for the Mardu, that's no tragedy
This is because demand is high, and prices are generally higher
