The card is a prototype, produced by US card company Wizards of the Coast to pitch the idea for English-language cards to Nintendo

Here is a comprehensive list of codes that are still active: EnlightenMe : Redeems Card Style: Narset, Parter of Veils FNMATHOME : Redeems Cosmetic Items FoilFungus : Redeems Card Style: Deathbloom Thallid InnerDemon : Redeems Card Style: Ob Nixilis, the Hate-Twisted LevelUp : Redeems two Levels of the current Mastery Tree OverTheMoon : Redeems Card Style: Arlinn, Voice of the Pack ParallaxPotion : Redeems Card Style: Revitalize ShieldsUp : Redeems Card Style: Teyo, The Shieldmage ShinyGoblinPirate : Redeems Card Style: Fanatical Firebrand SparkleDruid : Redeems Card Style: Druid of the Cowl SuperScry : Redeems Card Style: Opt WrittenInStone : Redeems Card Style: Nahiri, Storm of the Stone RockJocks : Lorehold Sleeve ArtClub : Prismari Sleeve MathWhizzes : Quandrix Sleeve DebateDuelists : Silverquill Sleeve SwampPunks : Witherbloom Sleeve RestorativeBurst: 2000 XP on Mastery Track ExperimentalOverload: 2000 XP on Mastery Track GameKnights: Avenging Angels Deck PARCELMYR: 2000 XP on Mastery Track UNIQUE CODES Outside of the Free Generic Codes, Wizards of the Coast has been including MTG Arena Codes in many of their physical products

They can be used in forming your deck
Will you go for the Rainbow VMAX or the Shiny V variant
And thats why there are more of these essential items dished out in Gifts, so start opening them and sending them to friends when the new update arrives
Players can customize their card decks with accessories such as playmats, card sleeves, and coins