credit card sleeve security Aigee 28 RFID Blocking Sleeves (24 Protector Holders in 12 colors & 4 Passport Protectors), Identity Theft Protection Secure for Credit Cards, Debit Card, 2pcs Clear Plastic Sleeve or travel bag with ease * Holder, 22 Card Slots

Slip Out the Back Slip Out the Back has been a go-to protection spell in blue decks for a long time, both protecting and buffing your creatures

Print a few on card stock, cut them on the solid black line , whole punch them on thr circle & bind them with a binder ring or brad

Nemeses Keystone X EARTH Level 1 [ RockEffect ] ATK 700 DEF 0 You can target 1 of your banished monsters, except "Nemeses Keystone"

Fatal Push is great, and the best reason to splash black

You mail raw cards in for grading and vaulting, or park existing slabs, then list them in a personal showroom or the wider marketplace, with daily auctions running beside fixed prices