Squirtle 22/181 is a Common card and belongs to Common cards of Team Up series
Because you'll want to rotate Infernape in and out of the active Pokemon spot you should include this card in a deck that includes other Pokemon with free retreat costs or low ones at the very least
The Evolution Box is colored light gray rather than dark gray and the text on the upper-right reads "Put Raichu on the Basic Pokmon" when it should say "Put Dark Raichu on the Basic Pokmon." There are also non-hologoraphic cards of Dark Blastoise (#20), Dark Charizard (#21), and Dark Dragonite (#22) that command a premium, but they generally sell for less than their holographic equivalents
As one of the most beloved Pokmon of the original generation, fans were excited to learn Gengar was finally receiving a Mega Gengar evolution
Perhaps some on Wizards of the Coast had a grunge against a fellow employee for getting them a bad present and wanted to give them this card to spite them
This Flail solves that problem by turning any creature of yours into a cleric-in-training, which is beyond advantageous