yugioh gun card Backup Warrior - BP01-EN159 - Starfoil Rare may be 1st or Unlimited Edition Yu-Gi-Oh! OCG/[301] The New Ruler]Barrel

During your opponent's End Phase: You can add 1 LIGHT monster from your GY to your hand

The competitions where you'll be able to win this card are taking place at WPN stores between August 3 - November 3, and the MTG format will either be Limited or Modern

theres just this gold, textured foil treated card, which sells for a current average of $42

Note: Im pretty sure this is a portmanteau of Leviathan, the primordial Chaoskampf serpent of Abrahamic lore that predates the metamorphosis of the Jewish faith into its from post the Babylonian conquests, where it originally more heavily resembled the Marduk vs Tiamat myth