security sleeve for credit cards RFID Blocking Card Holder - and Identity Card Protector Theft Protection this RFID Sleeve is thin enough to slide right into your wallet. Card Guard | RFID Sleeves

You can only use each effect of "Tri-Brigade Kitt" once per turn

This means even beginners will likely know what many of the cards do already

2-Player Starter Set, launching today

While I appreciate that having an extra set of four token cards, aside from the deck and Extra Deck, might be more daunting for newcomers (and you can use just about anything as a proxy), including a card like Scapegoat that requires sheep tokens but not including them could also lead to some confusion

UR Ultra Rare Necroworld Banshee X DARK Level 4 [ ZombieEffect ] ATK 1800 DEF 200 "Zombie World" in the Field Zone cannot be destroyed by card effects, also neither player can target it with card effects