Like the Fighting type, the best Lightning moves often do damage to their user, and like Fire, you're often required to detach or discard Energy cards to power up a game-ending finisher
Additionally, Maki noted that The Pokemon Company has limited releases of new card packages
This gives you two ways to build the deck, a flavorful Bending Tribal style, or a combo deck that uses an instant like Moonmist to transform Aang immediately and win on the spot
By replacing you with a player Aurelia gets head and shoulders above the competition
P/T Number 20 Language Italiano Legal Formats Commander, Legacy, Modern, Vintage Not Legal Formats Alchemy, Brawl, Competitive Brawl, Historic, Pauper, Pioneer, Standard, Timeless Rulings (7/5/2024) The value of X is determined only as Leonardo's first ability resolves
They might have been already printed cards, that were later used in the non-1st edition Shadowless print run, which already had these E ITION printing indication applied to them in an earlier step of the printing process