It's not an evergreen mechanic
Bloomvine Regent has become a must-add to any dragon deck that touches green
This Awakening of the New Era Japanese edition showcases Kids unrelenting chaos, magnetic power, and punk attitude with blistering foil detail
Play cards off the top when theyre useful or when you need to find better ones, or leave them on top when the cost is too high or you dont mind holding them for later
Honorable Mention: Ral, Crackling Wit Ral is somehow transformed into an otter when he planeswalks to Bloomburrow as a Courageous Critter, annoyed to be constantly whacking people with his unaccustomed tail, but of course planeswalkers dont actually have a creature type
But if your question is, What unofficial, licensed cards first had Pokemon on them? then sure, you can look at non-TCG products like Bandai Carddass