booster box origins riftbound League of Legends TCG: the debut set of Riftbound Riftbound Origins Case (6x Booster

Sauron, Lord of the Rings My least favorite of the Sauron cards, Sauron, Lord of the Rings can be a viable commander

Also the Aquabizarre Dragon is clearly based on Kairyu-Shin

Thankfully, you can Special Summon the card's tuner monster, Gold Pride - Leon, which then activates Leon's effect, which lets you Special Summon another Gold Pride monster

There are several reasons for this, including the fact that they were the first to be released and therefore more difficult to find and collect, as well as the fact that they were more popular in their day than many of today's most valuable Pokemon cards (which have only come into existence within the past several years)