List of obsolete terminology
Some types of cards were removed or changed either because of flavor reasons or rules modifications.
Obsolete card types
Obsolete artifact supertypes
Obsolete subtypes (creature/tribal)
Abomination, Aladdin, Albatross, Alchemist, Ali-Baba, Ali-from-Cairo, Alligator, Ambush-Party, Ant, Asp, Bandit, Banshee, Bee, Being, Bodyguard, Brownie, Bull, Bureaucrat, Caravan, Carnivore, Carriage, Cave-People, Cheetah, Chicken, Child, Clamfolk, Cobra, Constable, Cow, Crusader, Designer, Devouring-Deep, Dinosaur, Dog, Donkey, Dragonfly, Drill-Sergeant, Eel, Effigy, El-Hajjâj, Enchantress, Entity, Erne, Essence, Exorcist, Expansion-Symbol, [Farmer], Fiend, Frostbeast, Fungusaur, Gaea's-Avenger, Gamer, General, Ghost, Ghoul, Guardian, Gus, Gypsy, Harlequin, Heretic, Hero, Hipparion, Hornet, Horseman, Hyena, Infernal-Denizen, Cleric1Inquisitor, Island-Fish, Jackal, Keeper, Kelp, King, Lady-of-Proper-Etiquette, Legionnaire, Leper, Lord, Lurker, Lycanthrope, Mage, Maiden, Mammoth, Marid, Master, Medusa, Merchant, Mime, Minor, Miracle-Worker, Mold-Demon, Monster, Mummy, Murk-Dwellers, Nameless-Race, Narwhal, Nekrataal, Niall-Silvain, Noble, Paladin, Paratrooper, Penguin, People-of-the-Woods, Phantasm, Pig, Pikemen, Pixie-Queen, Poltergeist, Pony, Priest, Pyknite, Ranger, Robber, Roc, Rock-Sled, Sage, Scavenger, Shark, Ship, Shyft, Sister, Smith, Sorceress, Spuzzem, Spy, Stangg-Twin, Tactician, Tarpan, Teddy, Thief, The-Biggest-Baddest-Nastiest-Scariest-Creature-You'll-Ever-See, Twin, Viper, Vulture, Waiter, Walking-Dead, Whippoorwill, Wight, Wiitigo, Wirefly, Wolverine-Pack, Wolves-of-the-Hunt, Wretched.