Some of the best creatures in Magic's history fit this description: Tarmogoyf, Stoneforge Mystic, Scavenging Ooze, Thing in the Ice, Kitchen Finks, Courser of Kruphix
Elements of Harmony as artifacts, iconic locations as lands (Canterlot Castle, Crystal Empire, Cloudsdale, Ponyville, Golden Oak Library, Sugar Cube Corner), and signature moments as spells
One of the easiest ways to do this is with bite effects
It does not require you to attack with Lara Croft herself , meaning if she's not well-protected, another creature can attack to still get a Treasure token after your combat for the turn finishes
This is the best thing about collector boosters: When fans of a niche Universes Beyond fandom are catered to with weird cards like this