plastic key card sleeves Rigid Holder with Slot and Ring, Credit Card Size or the professional driver Key Card Cover Pack Sliding

Heres a quick look

Shadow of the Six Samurai - Shien Shadow of the Six Samurai - Shien Warrior XyzEffect Once per turn (Quick Effect): You can detach 1 material from this card, then target 1 "Six Samurai" monster you control with less than 2000 ATK

It has a built in sacrifice engine that draws you a card and drains target opponent one life, which is pretty much everything these decks would want

Alt-art cards are also randomly included (8 types)

Knightmare Gryphon This card allows you to discard 1 card when Link Summoned, then set 1 Spell/Trap from your GY

Organizing and Storing Your Collection It is also important to keep the condition of your cards in good order through proper organization and storage