The Blue Backs came firstmaking them slightly more valuable and sought-after
This mainly involves differences in how to interpret and resolve card effects, and how the Raid Boss Pokmons attack is determined, either randomly, or chosen by the Raid Boss
This means a lot of Mathmech's more ridiculous plays are still available, like surprise dumping a Laplacian on the opponent and forcing them to suddenly lose three different cards while they're still on their turn
Rarity To start collecting Pokemon cards, you need to understand rarity
Instead, it is, as its name loudly suggests, a Dragon
The concept is even goofier with the Bugs Bunny situation, but the facial expression is even better