Summon Lightning Impact If you control "Slifer the Sky Dragon", your opponent cannot Set or Summon monsters in Defense Position
With this in mind, authenticators like PSA and CGC are being flooded with shipments
This card effect is so outlandish that it's even historically proven to be problematic with Yu-Gi-Oh simulators as they would have a hard time properly resolving the effect
Wait what
Enter Mega Gengar EX , a Darkness type instead of Gengar EXs Psychic typing, and taking the shenanigans to another step by preventing all Trainers from being used
The first wind attribute / Spirit -conscious theme, with the motif of the twelve , the cow , and the weave woman with the motif of the new card group, appeared, and the deck experiences were held in Japan on September 29