Whether in Vintage decks like Paradoxical Outcome or Schrodingers Cat, or as a historical piece from the earliest MTG sets, this artifact continues to define the legacy of Magic the Gatherings most infamous mechanics
The Doppelganger becomes a copy of Runeclaw Bear and gains an ability that should be treated as saying : Exile target creature card from a graveyard
It's also worth throwing in Sphinx of the Second Sun, as it gives you a second beginning phase after your second main phase, which includes drawing a card and untapping all your permanents
Magic: The Gathering FINAL FANTASY Commander (FIC) and FINAL FANTASY Through the Ages (FCA) are Commander-, Legacy-, and Vintage-legal sets, and individual cards are also legal where already available in other formats
Theres only: Marshal of Zhalfir Invasion of New Phyrexia / Teferi Akosa of Zhalfir Zhalfirin Lancer Protocol Knight Swordsworn Cavalier This is a pretty minimal theme, so Ive found that my Azorius decks are often closer to good stuff piles than Ive envisioned