The exclusive artwork makes these cards more appealing to buyers outside Japan, who can usually only obtain them through online sellers unless they visit Japan in person
But if you are playing to race, those two Bolts put you 6 damage closer to a win
I for one would lose my nerdy mind for an X-Men set, but seeing as how Disney is launching their own TCG Lorcana, I dont think a crossover with their properties is likely
Following the 2003 Skyridge set, Kadabra vanished from the TCG entirely due to a lawsuit from illusionist Uri Geller
But it has a bonus twist: it only costs three mana if you target a tapped creature, ie a creature thats already attacked you
Note that the premium for the borderless version isnt especially high (compared to say, the normal and borderless versions of Fire Lord Azula) since players are after whichever version they can get