For most formats, there's not much public information available on the individuals who make these decisions, but we do know that MTG's Play Design team has some say in what cards are banned
Everyone wants this card banned because of how much players hate it
I don't expect to see it too often, however, because token decks (at least on Magic Online) aren't too popular
Gallery and List of Undying Cards Butcher Ghoul Demonlord of Ashmouth Endling Evernight Shade Flayer of the Hatebound Garbage Elemental (B) Geralf's Messenger Geralf's Mindcrusher Gleeful Arsonist Hancock, Ghoulish Mayor Hound of Griselbrand Howlgeist Mikaeus, the Unhallowed Nardole, Resourceful Cyborg Nearheath Stalker Pyreheart Wolf Relentless Skaabs Sightless Ghoul Stormbound Geist Strangleroot Geist Treacherous Pit-Dweller Vengeful Vampire Vorapede Witch-king, Sky Scourge Young Wolf Note that one version of Garbage Elemental has undying, though this card has six versions that use the same art, so it gets a little messy
With the invasion of the Magic: The Gathering multiverse depicted in March of the Machines, a series of gates have appeared connecting various different planes to each other
Strong focus on gold cards and multicolor synergies
