For professional card authentication and grading services, CGC Cards is another respected option alongside PSA and Beckett
Blizzard Brawl is an objectively better version of Prey Upon, and any deck with enough snow permanents will make it shine brightly
Playability aside, Neo Genesis Lugia does look awesome, and was a fan favorite among Gen 2 , so if you pulled this from a booster pack, consider yourself lucky
Lots of spells in recent sets interact with the Graveyard in some way, like Tenacious Underdog, and Exile shuts these strategies down completely
Telling which cards are legal is luckily easy, rather than needing to check what set every single card is from, they're marked with either a red circle for Standard or a blue triangle for Expanded
Flying Pikachu V 006/025 Celebrations Holofoil Flying Pikachu is one of the fan favorites in the Celebrations set