mewtwo pokemon card 14 - 059/142 Colorless Retreat Cost What is the value of

That is a good topic idea

You miss out on white vampires, but Im happy to lose access to that color in favor of blue, which has some of the best typal support cards: Kindred Discovery and Reflections of Littjara

That fits quite well with the Hades spotlight that will be part of the set, though there are teases of other villains in the new artwork as well, including Captain Hook

Regulation marks are little letters which indicate whether a card is tournament eligible

Unfortunately, theres nothing you can really do about that because some types dont exist in the TCG for a variety of reasons notably, to keep the TCG simpler and playable, because 11 Pokemon types are much easier to manage than 18 different ones that all demand different energies to play their movesets

There has never been blue common which so defined an entire color in a limited format, and for that Capsize is my #1 blue limited card of all time