silver tempest card sleeves Pokémon TCG: Sword & Shield-Silver Sleeved Booster Pack (10 Cards) Silver Tempest Sleeved Booster Pack

Legality depends on the tournament format -- Reckless Stormseeker // Storm-Charged Slasher can be legal in some formats and banned or restricted in others

Hard Work Hardly Works is also deconstructed with Jaden

There is the official Pokmon Trading Card Database, which will help you spot any text or stat differences, but isn't great for differentiating colors (since your monitor may not precisely match the colors a printed card would appear in your room), and of course it can't help you with determining the feel of the card

Structure Deck: The Crimson King TypeEffect Synchro Monster Collector NumberSDCK-EN041 RarityCommon Market price $0.16 Based on the latest market prices tracked on TCG Stacked

In other TCG-related news, check out the Path to the Peak card from Time Gazer [S10D]