While you control 2 or more Psychic-Type monsters, your opponent must reveal their hand
cards, the value of Slifer the Sky Dragon depends on a few consistent factors: its rarity, the printing and finish (regular or foil), its physical condition, and the set it was printed in (The Dark Side of Dimensions Movie Pack)
This is effectively an incredibly powerful way of sending all of your opponents monsters to the grave
Since then, weve seen plenty of Whovian artwork, a glimpse of the sets take on land cards and a first look at the returning Planechase format - in the form of plane and phenomenon cards that introduce various ongoing effects to each match - as a way of following the Doctor and their companions travels through time and space
X6 is literally X7 without one of its less used components, you could ignore it ever existed and no one would ever notice
(Full comparison in our Japanese vs English OP-17 breakdown.) So reframe the project