The most expensive Japanese card is also the most expensive Pokmon card of all time, according to the Guinness Book of World Records : a Professional Sports Authenticator Grade 10 Pikachu Illustrator card, reportedly valued at $5,275,000
However, in the context of pre-Synchro dueling, a lot of Seto Kaibas synergies on this deck allow him to switch from his straightforward god-crushing strategy via Obelisk the Tormentor to his ages-old Blue-Eyes Devastation
According to Boosters and Bangers, the children originally acquired the damaged Gengar card in a separate trade that the vendor valued at around $150
White can manipulate +1/+1 counters almost as well as black handles sacrifice synergies, so you can build a beast of a deck with this Orzhov commander, if a slow one
For an example, see the recent reprinting of Natures SpiralNatures Spiral in Dominaria for where the design team has been pointing in recent years
Its a powerful ability that will undoubtedly be used in virtually every single Pokemon deck imaginable