Theres no universal ruling for ability words, so we can't make universal statements about them
For example, if you are building for a format where the only switching options reduce retreat cost directly (like Float Stone and Air Balloon), with no regular Switch cards, you can exploit that fact to trap your opponent's support Pokmon active with a no-retreat attack to get free prize cards and time
Even with the exact same cards I used to have a few duplicated regular UED Base Pikachus, every single one had a slightly different color shade
Sepulchral Primordial When Sepulchral Primordial enters the battlefield, you get to dig into every opponents graveyard and revive a creature from each
The Flying Pikachu, lifted into the air by a cluster of balloons, became one of the most charming illustrations in the game's history, inspiring the Celebrations Flying Pikachu V over twenty years later