brock's pokemon cards TCG: Training 55/68 (Reverse Holo) an ultra rare card from the Pokemon TCG Journey Together set. Pokemon Trading Card Game Hidden

Retrieved May 1, 2020

Yoshimaru, Ever Faithful Raining Cats and Dogs Secret Lair Commander Deck Market Price: $92.65 The second-most-valuable Dog card ever also happens to be the most valuable card from a Secret Lair Commander deck as well

It could incorporate the modern sets (and have a few battles that forced players to use classic cards), especially since those mechanics already translate well to the online version of the TCG

Prava of the Steel Legion Prava of the Steel Legion is a token lord that distributes a +1/+4 buff, but only on your turn

The ultrafine fabric surface ensures seamless card movement during gameplay