credit card protection sleeves Boxiki Travel RFID Blocking Sleeves, Set including Color Coding. Identity Theft Prevention RFID Holders (Navy 7 PCS) tech crime. Credit Card Protector Sleeves –

For a Synchro Summon, you can substitute this card for any 1 "Synchron" Tuner

Features Includes cards from the booster pack Pharaonic Legend Pack, as well as the unreleased card from Tournament Pack 2019 Vol.1

Sure there were cards that had crazy effects and had judges called over for questions constantly, but it was also a much slower game that it is today

Its color can be changed turning gold in no time

You could put it in a fat pack box, tape that up with another packing slip or copy of the shipping label attached, then put that inside a small reused amazon/ebay box with some reused packing material (you probably have some lying around)