No, changelings are not artifact creatures
Specifically, I wanted to represent what the cards might look like if they were properly released in English outside of Japan, which means a few changes might be made in their transistion to the West: obviously the cards are in English I switched to using a Western yellow border versus Japanese silver border Once again, super credit goes to aschefield for his awesome and easy-to-use blanks
Not only that, but once the March of the Machine set arrives this April 18th it'll do so alongside an entirely new card type - Battle
Its also being used in the Standard format, not only as a control finisher, but also as a way to mill an opponent after Doomsday Excruciator leaves them with just a few cards left in their libraries
optimized cards might not be used in a local playgroup because these cards are "frustrating to play against"
If you do, search your deck for a Pokemon, reveal it, and put it into your hand