Sure, there are ways to ramp in other colors or with colorless cards, but none seem to offer anything quite on greens level
It's always a major event when a new Pokemon is introduced to the Pokemon TCG, opening the door to various new designs, and possibly some valuable gems to buy, sell, or trade to your heart's content
Far too much time and effort on the part of those in charge wouldve been used to verify the documentation of players who chose to use the card
For Mewtwo master collectors, this is a required JPN purchase with no English alternative
Try thinking about the buying/selling pace that would match your personality (modern, mid, vintage, slow, fast, English, Japanese) and then finding a single set, or even a single Pokmon or single card that matches