Buy Standard size sleeves (often listed around 66 x 91 mm ) for basically every normal MTG card you play
The top chase card is a stunning, spooky scene that perfectly encapsulates Gengar's essence, and even the consolation chase cards feature top-tier art with high price tags to boot, making this set exciting to open, even if you hit a non-Gengar card
Live Box Breaks
At the end of each turn, Wolverine gains another 1/1 counter if he dealt damage that turn, causing him to grow progressively stronger each time he attacks
If you find perfect fit sleeves that fit your cards then you should be fine
I almost always prefer the former method because if ink gets pulled when you take the tape off, its far easier to patch up a black border than color-match and patch the back of the card and if your sleeves arent opaque on the back, a noticeable paint job will disqualify a card in tournaments (and it is noticeable)