Its supposed to be just a fun card
And although there was no official indication from WOTC as to how many Crystal cards were included in each booster box, hobbyists say there were generally anywhere from one to three
Both 131 Fletchling Colorless 50 Flap (20) Solgaleo 132 Hawlwucha Colorless 80 Justified Press (20+) If your opponent's active Pokmon is a Dark Pokmon, this attack does 30 more damage
Cards with this powerful of an effect are simply not printed at this mana value any longer, and if they are, like Goryo's Vengeance, they have a built-in limitation
It suffers tremendously due to its mana value and only affecting one opponent, but it's also fairly unique in the way it can bury a single unfortunate player under a new curse every turn
DD - Energy Grafitti 40x This attack does 40 damage for each Energy attached to all of your opponents Pokmon