The easiest way to win is definitely finding an Alpha Authority for your Light-Paws, Emperors Voice, but even that is not entirely reliable in the post-board games due to Extinction Event
These are the cards most of us actually pulled as kids, and their values reflect a blend of nostalgia, iconic artwork, and genuine cultural significance
Some of the better cards to sell on here are cards collectors are looking for and are willing to pay full price and sometimes even more because they are able to conduct the transaction in person and inspect the cards thoroughly
And decks that care about such keywords as affinity for artifacts, metalcraft, or the craft (with artifact) mechanic introduced in The Lost Caverns of Ixalan will be happy the more artifacts you have
Disney Lorcana TCG: Wilds Unknown - Booster Box Case
This card hasn't been on the market long, but its price has dropped, so it's likely one you want to avoid for now