It might be a stretch to insinuate that the trading cards had anything to do with that, but realistically, it was the first of the Pokemon name to branch out in earnest and try new things
Altanak, the Thrice-Called Anara, Wolvid Familiar Brokkos, Apex of Forever Brokkos, Apex of Forever Fortune, Loyal Steed Gahiji, Honored One Galian Beast Illuna, Apex of Wishes Illuna, Apex of Wishes Kaheera, the Orphanguard Kethek, Crucible Goliath Kona, Rescue Beastie Lagorin, Soul of Alacria Loot, Exuberant Explorer Loot, the Key to Everything Loot, the Pathfinder Marath, Will of the Wild Migloz, Maze Crusher Nethroi, Apex of Death Nethroi, Apex of Death Nyla, Shirshu Sleuth Otrimi, the Ever-Playful Questing Beast Ragnarok, Divine Deliverance Red XIII, Proud Warrior Slinza, the Spiked Stampede Tayam, Luminous Enigma Uril, the Miststalker Uurg, Spawn of Turg Yannik, Scavenging Sentinel
Unlike some other dual lands, Scorched Geyser has two basic land types
It added more Pokmon-ex to the game, which pushed the meta further toward using these cards
