Yeah, the 70 HP psychic slowpoke is the most notable card mentioned here
100-CARD READY-TO-PLAY DECK
You can also switch in ways to add counters, but this deck is already going in too many directions being a five-color deck
Start strong and keep the pressure high with a motley crew of Pirates and Vehicles that are sure to reward you with glory and treasure
Anyway, I have no idea how these got into the US, or why they ended up in a thrift shop of all places - all I know is that this is probably one of the most mysterious official Mewtwo cards in existence
However, the top right quadrant states, Pokey Test 8 Colors wkcmywwk. These letters stand for the colors used in offset printing, in this case, White, Black, Cyan, Magenta, Yellow, White, White and Black, and Pokey is obviously a reference to Pokmon , indicating that this was indeed a test print for the expansion into the new US market