are pokemon cards from amazon legit of Silly question, is it worth

Its taken several zero-mana counters to push it to the periphery, and even then, it remains a potent pick in many cubes

The boost you get from countering a two or three drop and jumping to five or six on your next turn is a much greater swing than countering a four drop and then having 8+ mana for the main reason that you don't have that much useful to spend that kind of mana on very often and if you do it is not as significant as an earlier mana boost

Its literally a hundred times more expensive in foil than in nonfoil, because parents are suckers in all sorts of ways

If youre unsure whether all the card information lines up, its worth running the information through the online Pokemon TCG database and verifying the retailer or site that you purchased it from