Colorless mana made sense in the Oath of the Gatewatch set as a theme, and in that set, you needed to draft basic Wastes or lands that produce colorless mana if you have cards with colorless mana requirements, like Matter Reshaper and Thought-Knot Seer
With even its basic print version going for around $30 , it's no wonder that the special editions of this card are even more expensive
Black Marshal D
The following Grass and Psychic energies are examples of this: IMG_891519202560 286 KB IMG_891819202560 328 KB So basically, for anyone trying to master the set, youll need to find both versions of each energy
The most common reasons for these differences are: Holofoil Finishes (Holo and Reverse Holo) Most Pokmon card collection have different version of printing finishes, often called Holo (shiny) or Non-Holo (standard): Standard (Non-Holo) : The card does not have shiny parts
I liked that they added as little as possible between cards types and machanics to help them fit in with the rest of the Magic ecosystem