how to know if you have rare pokemon cards What are the rarities of Pokémon TCG cards? – TCGplayer.com How to Find Valuable Pokemon

And the other thing I like

When players open a Deluxe Pack Ex pack, they're guaranteed to get at least one Pokemon Ex card from the previous expansions

Championship Series Prize Cards$381.20 Plaguespreader Zombie UTRCrossroads of Chaos$380.85 Lumina Lightsworn SummonerChampion Pack 8$379.67 Garma SwordTournament Pack 8$375.55 Blue Eyes Alternative White DragonMiscellaneous Promotional Cards$375.00 Anotherverse Solaria SRYu-Gi-Oh

For this I would likely use words like: proxy card reproduction card replicated card substitute card Proxy cards look close to authentic cards, but are intended to be played by actual players

Legendary Creature Human Artificer : Until end of turn, Thopters you control have base power and toughness X/X, where X is the number of cards in your hand