weiss schwarz booster box english Schwarz: Azur Lane Pack (9 Cards) [English Version] have for fans of Azur Lane and Weiss Schwarz collectors Reprint] Weiss Schwarz Booster Box:

Yes, Rograkh, Son of Rohgahh is a key card in 14 combo(s) in our combo database, linked from the Combos section of this page.

Four of the five (including the uncut sheet) do indeed have the typical core as they are printed on the same stock as normal Magic cards of that era

Some of the K.B packs Ive seen have dates stamped on the price tags like the one in the OP: 5/01 - $4.99 $1.99 1/03 - $4.99 $0.99 5/03 - $4.99 $0.99 If this is before 2003 (again, likely) then the K.B packs predates the blisters by a decent time interval

From the Yu-Gi-Oh The Movie Promo Theater Pack set

Defeating Dark Zane can earn the player his Blue Uniform