Evolution is done in stages, and you are unable to skip or jump any stages unless otherwise stated on a card in play - meaning evolution must follow the pattern of basic, Stage 1 and Stage 2, and a single Pokmon can only be evolved once per turn
Description Play 2 pre-constructed decks, Fluffal Deck and Constellar Deck
Special Summon 1 of your Level 8 Myutant monsters that is banished or in your GY
Other effects or conditions may apply (such as Burned, which the above Numel will inflict upon the Wishiwashi when it attacks), but you can learn these as you play
It's the same reason people who play fixed-odds slot machines swear by their own personal 'system' for winning the jackpot
The Black & White Metal Energy card reflects the changes introduced in the set, signaling a transformation in the TCG