The identification step matters as much as the price: a reverse holo, promo stamp or alt art can be worth several times the base print of the same card
While the Neo Genesis card collects the fame, the Aquapolis Crystal Lugia collects the money: raw copies trade around $2,900 to $3,950, roughly triple the 1st Edition holo, and by graded value it's the most valuable Lugia, full stop, with PSA 10s valued around $90,000 and an all-time high near $96,000
Legality depends on the tournament format -- Braingeyser can be legal in some formats and banned or restricted in others
Just spend within your means, and youll soon understand why the whole worlds obsessed with these pretty pieces of cardboard
It's a gamble!
Whether you started with Red and Blue or youre just getting to know the Kanto crew, theres a lot to love here