Even when you have other lands and can make them later in the game a bounce land is still a slow and clumsy land that is more awkward to use efficiently than any other in the cube
Alternatively, take a look at the Pokmon sets in order to see which expansions you may have missed out on.
If you want to collect Pokmon cards simply to enjoy having them, here are a few ideas that might help you get started: Collect every card from a particular Pokmon set Collect every card of your favorite Pokmon - perhaps every Eevee evolution Collect the first 151 Pokmon - or all the Pokmon from your favorite generation
The other "Gizmek" monsters have a higher Level and are mostly more generic compared to the other "Gizmek" monsters, being able to Special Summon themselves from the hand by meeting certain conditions
A genuine Base Set card reads "1995, 96, 98, 99 Nintendo, Creatures, GAMEFREAK." Fakes often get a year or the capitalization wrong