Dross Harvester is a hidden gem that I keep singing the praises of
Pokemon Card Game Tips For Beginners The Pokemon Trading Card game can seem intimidating for new players, but it doesn't have to be that difficult
(If you aren't venturing through a dungeon, choose one of the dungeon cards you own from outside the game, put it into the command zone and put a venture counter on the first room of that dungeon
All that said, deck optimization isn't a priority for many casual players, and there's still plenty of room during deckbuilding for a flexible 3-mana spot removal spell.
Bear in mind that there's usually a huge difference in value between a PSA grade 7, 8, or 9 card (generally mint condition to the naked eye) and a perfect PSA 10 card (absolutely faultless, even when viewed under a microscope from every angle)
Its easy to jump on cards like Ghostly Prison and Crawlspace that completely shut down combat against you, but its not a virtue to let perfect be the enemy of good