-Its players build custom decks of cards, then use these decks to battle each other
Because flashback could only go on instants and sorceries, many of the green cards in the set with flashback generate creature tokens, creating something akin to creature spells with flashback
This allows players to play multiple colors in their decks without having to worry about color screw, which occurs when a player does not have access to the color of mana they need
In English, it is expected that the card would be every bit as coveted, if not more, than the Shiny Charizard VMAX which is routinely selling for less in its Japanese form
You can build around this card with energy, +1/+1 counters, loyalty counters, spacecraft, and so much more