She can reduce the cost of one of the opponent's Characters by -4 and then KO it, an easy answer for pesky Characters and if you need to remove higher-cost Characters, you can back her up with a cost-reduction effect
Thats a 3/2 with menace on Turn 1
Below, we list the various advantages and disadvantages of this Pokmon TCG Pocket card: Advantage : Celestic Town Elder allows you to bring a random Basic Pokmon back into play from the discard pile, which can be crucial both for bringing back powerful Ex-Pokmon like Celebi ex, Mewtwo ex, or Mew ex that do not require evolution, and for bringing back key Pokmon for other roles, like Snorlax or Druddigon, which can serve as damage-absorbing walls
The inclusion of Team Great Rocket is a reference to sets that had come out after the first Pokmon TCG game, including "We Are Team Rocket" and "Team Rocket's Ambition." This sequel added a bunch of new content that was not present in the original game
Lightning Pokmon are strong against : Water Pokmon (plus, any Flying-type Pokmon in the video games)