First Edition Base Set means that the booster box in question is part of the Pokemon TCG's first print run - subsequent printings lose their First Edition label
Ash, Eevee, Charizard, Gengar, Mew, Mewtwo, Lucario, Greninja, and so many more are all waiting to battle, adventure through the forest, dive through the sea, enjoy holidays, and so much more
While the VSTAR Power is quite costly, used for three steel and a colorless energy, the payoff is worth it and will let you KO some troublesome Pokemon
The minimum age for use is twelve
So the game is constantly reminding you when you can activate the card
Psychic Energy My personal favourite especially as Ive used and fine tuned a not-at-all tournament legal Deoxys deck with Nidoking and Nidoqueen support, which is on its latest iteration after having first been built close to twenty years ago of all the basic Energy types is Psychic Energy