Whether you enjoy fast-paced aggression or careful long-term planning, theres something for every playstyle
And as with any year, some of the precons were great, some were not so good, and many were in between

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

If you want to opt for a rarer mid-vintage set to open, this is probably the best option, thanks to the variety of other great hits in addition to the shiny Pokemon
This combo was used well in the 2009 season, as well as being used to win 2010 US Nationals in the Juniors Division (Gengar/Nidoqueen /Crobat G)