Having altered artwork, especially on the Commander, is one way method of calling attention to the card at the helm
For one mana, Young Wolf offers extremely efficient aggression
As revealed on the Weekly MTG stream, the cards are: Cecily, Haunted Mage (Eleven, the Mage) Bjorna, Nightfall Alchemist (Lucas, the Sharpshooter) Arvinox, the Mind Flail (Mind Flayer, the Shadow) Wernog, Rider's Chaplain (Will the Wise) Sophina, Spearsage Deserter (Chief Jim Hopper) Othelm, Sigardian Outcast (Mike, the Dungeon Master) Hargilde, Kindly Runechanter (Dustin, Gadget Genius) Elmar, Ulvenwald Informant (Max, the Daredevil) Havengul Laboratory Mystery (Hawkins National Laboratory Upside Down) One very important thing to note is that, unlike the Ikoria: Lair of Behemoth Godzilla cards, or Innistrad: Crimson Vow's Dracula cards, these make absolutely no reference to their Stranger Things origins
And second, how much should I ask for