card sleeves 3.5 x 5 Fanatics Sleeves/ Penny (2mil) 2 5/8 3 5/8 1/4 inch and feature a convenient top opening for easy loading Ultra Pro 2.5 x 3.5

Fortunately, the cost for this deck isn't that big, you can get it for under 30: Kamigawa: Neon Dynasty Commander Deck - Upgrades Unleashed- 29.95 at Magic Madhouse Kamigawa: Neon Dynasty Commander Deck - Upgrades Unleashed- $33 at Amazon US Universes Beyond: Warhammer 40,000 Commander Deck Necron Dynasties Okay, this may be a bit more than 40 but Magic: The Gatherings Warhammer 40,000 decks are absolutely amazing and great for newcomers to the game

Collectors often keep a spreadsheet or printed chart for quick lookup

Expedition Map also lets you get any land in your deck

Dragoncaller Magician X DARK Level 7 [ Spellcaster / PendulumEffect ] ATK 2400 DEF 1000 P Scale 2 Once per turn: You can target 1 face-up monster on the field