Each Speed Duel: Streets of Battle City box contains a grand total of 228 cards, all usable in Speed Duel:

• 200 Common Cards, 20 Skill Cards
• 8 (of 24) Secret Rare Cards
• 2 of the 8 Secret Rares in every box will be Slifer the Sky Dragon and Arkana’s Dark Magician.
• 4 Deluxe 2-Player Game Mats featuring Yami Yugi and Arkana