That covers every printed variant reverse holofoils, secret rares, and the special-art chase cards numbered past 135/135
While other options like Geier Reach Sanitarium and Bonders Enclave are good too, War Room is probably the most universal and easy to activate
However, if you're a hero fan more than a villain enjoyer (or boring, as I like to call it), there's also the stunning Ariel - Ethereal Voice [Iconic Holo] #241 , with The Little Mermaid singing, glowing amid the dark background
Water Law, the "Surgeon of Death." Also new to this set is a Manga Rare Event card featuring Shanks' attack,Divine Departure
You get 10% more sleeves than others most sleeves come in packs of 100. Sleeve Kings is the only brand that offers 110 pieces per pack