The only exception is Basic Energy cards, which you can include as many of as you want
#19 Yeah it's been far too long since I've played this game but I remember really enjoying it and spending an obsessive amount of time on it collecting all the cards, which of course is much easier than actually catching all the Pokemon in the main games, and is somehow more satisfying
It also, notably, has flying
It synergizes with strategies revolving around tokens, lands, and even copying creatures, and can fit into just about any green deck
I am the fifth-best card ever
Their design subtly varies again in this artwork, too, by another different artist who gives them a very slightly more catlike flair to me, or maybe that's just because of the one prowling around with the fish in its mouth