how do you tell a first edition pokemon card To If Is [6 Steps] Pokemon TCG Base Set Checklist:

There are differences in how the box opens, an asterisk or might not be present after the TM on the front, the back of the cards artwork has different cards, Pokemon is sometimes centered aligned on the back of the box and sometimes aligned left, the pull strip can be gold or clear, and the copyright dates could be 1999 or 1999-2000

Perhaps even consider grading some of the more top end cards

10th place: Altaria (Holo) #1 Description: Altaria, the elegant Dragon Pokmon, is depicted in a majestic pose in this holographic card

#136 Flareon

Once they draw their final life card from their life area - for example, after being damaged in a battle - they immediately lose the game