Most decks are just not equipped to deal with a well-timed Lost City or just fold to a quick Wailord with a backup attacker.
Number 7: Lugia 1st Edition Neo Genesis ($144,300) Similar to Rayquaza Gold Star, Lugias popularity stems from it being the preferred box-art legendary from the series second generation
It has a very fast, very narrow gameplan: if you can get your Charizard ex in play, you will have the energy to attack with it, and it will hit like a truck, so you best make that happen as fast as you can
Mistake 2: Ignoring Condition Differences A "Near Mint" raw card and a "Lightly Played" raw card of the same print can differ by 15-30% in value
Milling a bunch of planeswalkers kind of sucks, so youd rather play this as a grindy control deck that can also reanimate a few juicy things as needed while opponents are distracted with your Liliana, Dreadhorde General