It only really does anything in tribal decks full of MTG dragons
Speaking as someone whose kick for like a year at least has been to make copies of things that should not have copies made of them, I plan to make copies every turn
Not only did it celebrate individual achievement, but it also granted the winners preferred entry into the subsequent Lizardon Mega Battle
There are basic Energy cards (like Fire, Water, Grass, Lightning, Psychic, Fighting, Darkness, Metal, Colorless, Dragon, and Fairy, although Dragon and Fairy are now typically represented by other types or Colorless in modern sets) and special Energy cards, which often provide additional effects alongside energy