Most decks are built around a tight set of spells that interact well with each other, plus enough land cards to cast those spells
Gisela, Blade of Goldnight Red isn't generally associated with pillow fort cards, but some can make this happen
When you pair it with cheap permanents that generate card advantages like Arcum's Astrolabe or Omen of the Sea, you can start drawing multiple cards a turn
Its important to have an exiling removal tool for artifacts given the many ways they can be abused in a graveyard, such as Goblin Welder and Academy Ruins
As with many iconic early Reserved List cards, youll find something even closer with Magus of the Moat being an almost identical card
While having to ban cards in Standard is bad, hyping up a new card type and having it fall flat and go unplayed is (perhaps) just as bad, so Wizards is incentivized to take more risks to make sure new card types see play