The colors are all chosen by the artist, and each card acts as a tribute not only to the medium, but to the various versions of the cards that've been created over the years they've been in play
Against Black, and maybe Red, definitely
Content Notes: Retail Edition of Pokemon TCG: Sun & Moon Guardians Rising Shiny Tapu Koko GX Box Featuring An Oversize Tapu Koko GX Card
(If you have more or the same number of cards in your hand as your opponent, this attack does nothing.) [2P] Re-creation Choose an attack on 1 of your opponent's Pokmon in his or her discard pile
Other tokens won't trigger this, but if you are playing a lot of low cost dragons, or really want dragon tokens, this is worth playing
Speaking of art, some of the new illustrations are superb, whereas many others are a step down from art in the past