pokemon kakuna card (014/165) defender is now Poisoned. Kakuna - Pokémon TCG Pocket

Well, for starters, the most important factor behind its immense value is the remarkable Full Art illustration of this Special Illustration Rare card

Birds so far seem to deal a lot with creatures entering and leaving, and Bats care about lifegain and life loss, so the card has applications in typal decks for both

That attack is alright, but nothing to build a deck around

So, compare the back of your card to a card you know is authentic

Though mentioned above, Raphael, Fiendish Savior tops it off with lifelink which is a game altering keyword ability, like when the villains get a hold of the good guy's weapons at headquarters, let the devilish grins commence